931988052 has 48 divisors (see below), whose sum is σ = 2424882880. Its totient is φ = 309554784.

The previous prime is 931988047. The next prime is 931988081. The reversal of 931988052 is 250889139.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 931987989 and 931988007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15318 + ... + 45810.

Almost surely, 2^931988052 is an apocalyptic number.

It is an amenable number.

931988052 is an abundant number, since it is smaller than the sum of its proper divisors (1492894828).

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

931988052 is a wasteful number, since it uses less digits than its factorization.

931988052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30789 (or 30781 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 931988052 is about 30528.4793594440. The cubic root of 931988052 is about 976.7950458248.

The spelling of 931988052 in words is "nine hundred thirty-one million, nine hundred eighty-eight thousand, fifty-two".