538085992 has 8 divisors (see below), whose sum is σ = 1008911250. Its totient is φ = 269042992.

The previous prime is 538085971. The next prime is 538086001. The reversal of 538085992 is 299580835.

It can be written as a sum of positive squares in only one way, i.e., 440748036 + 97337956 = 20994^2 + 9866^2 .

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, 33630367 + ... + 33630382.

Almost surely, 2^538085992 is an apocalyptic number.

It is an amenable number.

538085992 is a deficient number, since it is larger than the sum of its proper divisors (470825258).

538085992 is a wasteful number, since it uses less digits than its factorization.

538085992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67260755 (or 67260751 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 538085992 is about 23196.6806246066. The cubic root of 538085992 is about 813.3620317444.

The spelling of 538085992 in words is "five hundred thirty-eight million, eighty-five thousand, nine hundred ninety-two".