538433404 has 24 divisors (see below), whose sum is σ = 992265120. Its totient is φ = 255144384.

The previous prime is 538433353. The next prime is 538433417. The reversal of 538433404 is 404334835.

It is a self number, because there is not a number n which added to its sum of digits gives 538433404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16819 + ... + 36874.

It is an arithmetic number, because the mean of its divisors is an integer number (41344380).

Almost surely, 2^538433404 is an apocalyptic number.

It is an amenable number.

538433404 is a deficient number, since it is larger than the sum of its proper divisors (453831716).

538433404 is a wasteful number, since it uses less digits than its factorization.

538433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53829 (or 53827 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 538433404 is about 23204.1678152870. The cubic root of 538433404 is about 813.5370415276.

The spelling of 538433404 in words is "five hundred thirty-eight million, four hundred thirty-three thousand, four hundred four".