538808628 has 12 divisors (see below), whose sum is σ = 1257220160. Its totient is φ = 179602872.

The previous prime is 538808597. The next prime is 538808651. The reversal of 538808628 is 826808835.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22450348 + ... + 22450371.

Almost surely, 2^538808628 is an apocalyptic number.

It is an amenable number.

538808628 is an abundant number, since it is smaller than the sum of its proper divisors (718411532).

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

538808628 is a wasteful number, since it uses less digits than its factorization.

538808628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44900726 (or 44900724 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 538808628 is about 23212.2516788010. The cubic root of 538808628 is about 813.7259771436.

The spelling of 538808628 in words is "five hundred thirty-eight million, eight hundred eight thousand, six hundred twenty-eight".