3445390998 has 96 divisors (see below), whose sum is σ = 8942123520. Its totient is φ = 980456400.

The previous prime is 3445390997. The next prime is 3445390999. The reversal of 3445390998 is 8990935443.

It is an interprime number because it is at equal distance from previous prime (3445390997) and next prime (3445390999).

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 (3445390997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 693423 + ... + 698373.

It is an arithmetic number, because the mean of its divisors is an integer number (93147120).

Almost surely, 2^3445390998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3445390998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4471061760).

3445390998 is an abundant number, since it is smaller than the sum of its proper divisors (5496732522).

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

3445390998 is a wasteful number, since it uses less digits than its factorization.

3445390998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The square root of 3445390998 is about 58697.4530793287. The cubic root of 3445390998 is about 1510.3566249760.

The spelling of 3445390998 in words is "three billion, four hundred forty-five million, three hundred ninety thousand, nine hundred ninety-eight".