938081992 has 8 divisors (see below), whose sum is σ = 1758903750. Its totient is φ = 469040992.

The previous prime is 938081987. The next prime is 938082001. The reversal of 938081992 is 299180839.

It can be written as a sum of positive squares in only one way, i.e., 869424196 + 68657796 = 29486^2 + 8286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58630117 + ... + 58630132.

Almost surely, 2^938081992 is an apocalyptic number.

It is an amenable number.

938081992 is a deficient number, since it is larger than the sum of its proper divisors (820821758).

938081992 is a wasteful number, since it uses less digits than its factorization.

938081992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117260255 (or 117260251 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 938081992 is about 30628.1241998265. The cubic root of 938081992 is about 978.9193947665.

The spelling of 938081992 in words is "nine hundred thirty-eight million, eighty-one thousand, nine hundred ninety-two".