3231864072 has 48 divisors (see below), whose sum is σ = 8792259840. Its totient is φ = 1072451808.

The previous prime is 3231863989. The next prime is 3231864089. The reversal of 3231864072 is 2704681323.

It is a happy number.

3231864072 is a `hidden beast` number, since 3 + 2 + 3 + 1 + 8 + 640 + 7 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84588 + ... + 116699.

It is an arithmetic number, because the mean of its divisors is an integer number (183172080).

Almost surely, 2^3231864072 is an apocalyptic number.

It is an amenable number.

3231864072 is an abundant number, since it is smaller than the sum of its proper divisors (5560395768).

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

3231864072 is a wasteful number, since it uses less digits than its factorization.

3231864072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201522 (or 201515 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 3231864072 is about 56849.4861190495. The cubic root of 3231864072 is about 1478.4876308776.

The spelling of 3231864072 in words is "three billion, two hundred thirty-one million, eight hundred sixty-four thousand, seventy-two".