3594681990 has 96 divisors (see below), whose sum is σ = 9837434880. Its totient is φ = 944231904.

The previous prime is 3594681949. The next prime is 3594681997. The reversal of 3594681990 is 991864953.

3594681990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3594681997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151771 + ... + 173849.

It is an arithmetic number, because the mean of its divisors is an integer number (102473280).

Almost surely, 2^3594681990 is an apocalyptic number.

3594681990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3594681990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4918717440).

3594681990 is an abundant number, since it is smaller than the sum of its proper divisors (6242752890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3594681990 is a wasteful number, since it uses less digits than its factorization.

3594681990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22168 (or 22156 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 3594681990 is about 59955.6668714476. Note that the first 3 decimals coincide. The cubic root of 3594681990 is about 1531.8638185731.

It can be divided in two parts, 3594 and 681990, that added together give a square (685584 = 828²).

The spelling of 3594681990 in words is "three billion, five hundred ninety-four million, six hundred eighty-one thousand, nine hundred ninety".