3935660652 has 72 divisors (see below), whose sum is σ = 12403302912. Its totient is φ = 1022248800.

The previous prime is 3935660629. The next prime is 3935660653. The reversal of 3935660652 is 2560665393.

3935660652 is a `hidden beast` number, since 3 + 9 + 35 + 6 + 606 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3935660598 and 3935660607.

It is not an unprimeable number, because it can be changed into a prime (3935660653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707124 + ... + 712667.

It is an arithmetic number, because the mean of its divisors is an integer number (172268096).

Almost surely, 2^3935660652 is an apocalyptic number.

It is an amenable number.

3935660652 is an abundant number, since it is smaller than the sum of its proper divisors (8467642260).

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

3935660652 is a wasteful number, since it uses less digits than its factorization.

3935660652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419819 (or 1419814 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The square root of 3935660652 is about 62734.8440023565. The cubic root of 3935660652 is about 1578.8439778708.

The spelling of 3935660652 in words is "three billion, nine hundred thirty-five million, six hundred sixty thousand, six hundred fifty-two".