3995233620 has 144 divisors (see below), whose sum is σ = 13044810240. Its totient is φ = 910968576.

The previous prime is 3995233603. The next prime is 3995233667. The reversal of 3995233620 is 263325993.

3995233620 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1406842 + ... + 1409678.

It is an arithmetic number, because the mean of its divisors is an integer number (90588960).

Almost surely, 2^3995233620 is an apocalyptic number.

3995233620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3995233620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6522405120).

3995233620 is an abundant number, since it is smaller than the sum of its proper divisors (9049576620).

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

3995233620 is a wasteful number, since it uses less digits than its factorization.

3995233620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 42.

The square root of 3995233620 is about 63207.8604289055. The cubic root of 3995233620 is about 1586.7702883114.

The spelling of 3995233620 in words is "three billion, nine hundred ninety-five million, two hundred thirty-three thousand, six hundred twenty".