214168904 has 16 divisors (see below), whose sum is σ = 401756220. Its totient is φ = 107033920.

The previous prime is 214168897. The next prime is 214168909. The reversal of 214168904 is 409861412.

It is a happy number.

214168904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176836804 + 37332100 = 13298^2 + 6110^2 .

It is a super-2 number, since 2×214168904² = 91736638881122432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214168909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16574 + ... + 26514.

Almost surely, 2^214168904 is an apocalyptic number.

It is an amenable number.

214168904 is a deficient number, since it is larger than the sum of its proper divisors (187587316).

214168904 is a wasteful number, since it uses less digits than its factorization.

214168904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640 (or 12636 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 214168904 is about 14634.5107195287. The cubic root of 214168904 is about 598.2997270787.

The spelling of 214168904 in words is "two hundred fourteen million, one hundred sixty-eight thousand, nine hundred four".