3924320556 has 48 divisors (see below), whose sum is σ = 9877597184. Its totient is φ = 1205464896.

The previous prime is 3924320537. The next prime is 3924320557. The reversal of 3924320556 is 6550234293.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3924320557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73971 + ... + 115413.

Almost surely, 2^3924320556 is an apocalyptic number.

It is an amenable number.

3924320556 is an abundant number, since it is smaller than the sum of its proper divisors (5953276628).

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

3924320556 is a wasteful number, since it uses less digits than its factorization.

3924320556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42070 (or 42068 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 3924320556 is about 62644.3976425666. The cubic root of 3924320556 is about 1577.3261076668.

The spelling of 3924320556 in words is "three billion, nine hundred twenty-four million, three hundred twenty thousand, five hundred fifty-six".