3696401520 has 160 divisors (see below), whose sum is σ = 14550973440. Its totient is φ = 844888320.

The previous prime is 3696401519. The next prime is 3696401537. The reversal of 3696401520 is 251046963.

It is a happy number.

3696401520 is a `hidden beast` number, since 3 + 6 + 9 + 640 + 1 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107116 + ... + 137355.

It is an arithmetic number, because the mean of its divisors is an integer number (90943584).

Almost surely, 2^3696401520 is an apocalyptic number.

3696401520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3696401520 is an abundant number, since it is smaller than the sum of its proper divisors (10854571920).

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

3696401520 is a wasteful number, since it uses less digits than its factorization.

3696401520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244500 (or 244488 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3696401520 is about 60798.0387841582. The cubic root of 3696401520 is about 1546.1787968625.

The spelling of 3696401520 in words is "three billion, six hundred ninety-six million, four hundred one thousand, five hundred twenty".