218934036 has 48 divisors (see below), whose sum is σ = 597486400. Its totient is φ = 69136416.

The previous prime is 218934013. The next prime is 218934047. The reversal of 218934036 is 630439812.

It is a super-2 number, since 2×218934036² = 95864224238498592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 51295 + ... + 55398.

Almost surely, 2^218934036 is an apocalyptic number.

It is an amenable number.

218934036 is an abundant number, since it is smaller than the sum of its proper divisors (378552364).

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

218934036 is a wasteful number, since it uses less digits than its factorization.

218934036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106725 (or 106717 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 218934036 is about 14796.4197020766. The cubic root of 218934036 is about 602.7044912292.

The spelling of 218934036 in words is "two hundred eighteen million, nine hundred thirty-four thousand, thirty-six".