538993842 has 16 divisors (see below), whose sum is σ = 1086477312. Its totient is φ = 178249680.

The previous prime is 538993813. The next prime is 538993877. The reversal of 538993842 is 248399835.

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, 352909 + ... + 354432.

It is an arithmetic number, because the mean of its divisors is an integer number (67904832).

Almost surely, 2^538993842 is an apocalyptic number.

538993842 is an abundant number, since it is smaller than the sum of its proper divisors (547483470).

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

538993842 is a wasteful number, since it uses less digits than its factorization.

538993842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707473.

The product of its digits is 1866240, while the sum is 51.

The square root of 538993842 is about 23216.2409101904. The cubic root of 538993842 is about 813.8192051591.

The spelling of 538993842 in words is "five hundred thirty-eight million, nine hundred ninety-three thousand, eight hundred forty-two".