538087684 has 6 divisors (see below), whose sum is σ = 941653454. Its totient is φ = 269043840.

The previous prime is 538087673. The next prime is 538087717. The reversal of 538087684 is 486780835.

It can be written as a sum of positive squares in only one way, i.e., 427248900 + 110838784 = 20670^2 + 10528^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67260957 + ... + 67260964.

Almost surely, 2^538087684 is an apocalyptic number.

It is an amenable number.

538087684 is a deficient number, since it is larger than the sum of its proper divisors (403565770).

538087684 is a wasteful number, since it uses less digits than its factorization.

538087684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134521925 (or 134521923 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 538087684 is about 23196.7170953133. The cubic root of 538087684 is about 813.3628842767.

The spelling of 538087684 in words is "five hundred thirty-eight million, eighty-seven thousand, six hundred eighty-four".