214518834 has 32 divisors (see below), whose sum is σ = 479763840. Its totient is φ = 71048016.

The previous prime is 214518823. The next prime is 214518851. The reversal of 214518834 is 438815412.

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, 4174 + ... + 21129.

It is an arithmetic number, because the mean of its divisors is an integer number (14992620).

Almost surely, 2^214518834 is an apocalyptic number.

214518834 is an abundant number, since it is smaller than the sum of its proper divisors (265245006).

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

214518834 is a wasteful number, since it uses less digits than its factorization.

214518834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25471 (or 25465 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 214518834 is about 14646.4614839216. The cubic root of 214518834 is about 598.6254032110.

The spelling of 214518834 in words is "two hundred fourteen million, five hundred eighteen thousand, eight hundred thirty-four".