538899624 has 96 divisors (see below), whose sum is σ = 1482624000. Its totient is φ = 176818560.

The previous prime is 538899619. The next prime is 538899667. The reversal of 538899624 is 426998835.

538899624 is a `hidden beast` number, since 5 + 3 + 8 + 8 + 9 + 9 + 624 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2048917 + ... + 2049179.

It is an arithmetic number, because the mean of its divisors is an integer number (15444000).

Almost surely, 2^538899624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538899624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741312000).

538899624 is an abundant number, since it is smaller than the sum of its proper divisors (943724376).

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

538899624 is a wasteful number, since it uses less digits than its factorization.

538899624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 608 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 538899624 is about 23214.2116816402. The cubic root of 538899624 is about 813.7717829191.

The spelling of 538899624 in words is "five hundred thirty-eight million, eight hundred ninety-nine thousand, six hundred twenty-four".