214434918 has 32 divisors (see below), whose sum is σ = 481252320. Its totient is φ = 70768800.

The previous prime is 214434917. The next prime is 214434919. The reversal of 214434918 is 819434412.

It is a happy number.

214434918 is a `hidden beast` number, since 214 + 434 + 9 + 1 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (214434917) and next prime (214434919).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214434917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14205 + ... + 25112.

It is an arithmetic number, because the mean of its divisors is an integer number (15039135).

Almost surely, 2^214434918 is an apocalyptic number.

214434918 is an abundant number, since it is smaller than the sum of its proper divisors (266817402).

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

214434918 is a wasteful number, since it uses less digits than its factorization.

214434918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39429 (or 39423 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 214434918 is about 14643.5964844706. The cubic root of 214434918 is about 598.5473357828.

The spelling of 214434918 in words is "two hundred fourteen million, four hundred thirty-four thousand, nine hundred eighteen".