538699194 has 32 divisors (see below), whose sum is σ = 1305938880. Its totient is φ = 163242000.

The previous prime is 538699181. The next prime is 538699201. The reversal of 538699194 is 491996835.

538699194 is a `hidden beast` number, since 538 + 6 + 99 + 19 + 4 = 666.

538699194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 538699194.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452857 + ... + 454044.

It is an arithmetic number, because the mean of its divisors is an integer number (40810590).

Almost surely, 2^538699194 is an apocalyptic number.

538699194 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

538699194 is an abundant number, since it is smaller than the sum of its proper divisors (767239686).

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

538699194 is a wasteful number, since it uses less digits than its factorization.

538699194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906923 (or 906917 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 538699194 is about 23209.8943125556. The cubic root of 538699194 is about 813.6708831743.

The spelling of 538699194 in words is "five hundred thirty-eight million, six hundred ninety-nine thousand, one hundred ninety-four".