538808644 has 36 divisors (see below), whose sum is σ = 1069890304. Its totient is φ = 237006000.

The previous prime is 538808597. The next prime is 538808651. The reversal of 538808644 is 446808835.

It is a junction number, because it is equal to n+sod(n) for n = 538808594 and 538808603.

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, 2952 + ... + 32959.

Almost surely, 2^538808644 is an apocalyptic number.

It is an amenable number.

538808644 is a deficient number, since it is larger than the sum of its proper divisors (531081660).

538808644 is a wasteful number, since it uses less digits than its factorization.

538808644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35968 (or 35955 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 538808644 is about 23212.2520234466. The cubic root of 538808644 is about 813.7259851982.

The spelling of 538808644 in words is "five hundred thirty-eight million, eight hundred eight thousand, six hundred forty-four".