538218192 has 40 divisors (see below), whose sum is σ = 1438345440. Its totient is φ = 173219200.

The previous prime is 538218179. The next prime is 538218199. The reversal of 538218192 is 291812835.

It is a self number, because there is not a number n which added to its sum of digits gives 538218192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538218199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191934 + ... + 194717.

It is an arithmetic number, because the mean of its divisors is an integer number (35958636).

Almost surely, 2^538218192 is an apocalyptic number.

It is an amenable number.

538218192 is an abundant number, since it is smaller than the sum of its proper divisors (900127248).

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

538218192 is a wasteful number, since it uses less digits than its factorization.

538218192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386691 (or 386685 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 538218192 is about 23199.5299952391. The cubic root of 538218192 is about 813.4286367465.

The spelling of 538218192 in words is "five hundred thirty-eight million, two hundred eighteen thousand, one hundred ninety-two".