214564308 has 24 divisors (see below), whose sum is σ = 572171712. Its totient is φ = 61304064.

The previous prime is 214564307. The next prime is 214564313. The reversal of 214564308 is 803465412.

It is a super-3 number, since 3×214564308³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214564307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277085 + ... + 1277252.

It is an arithmetic number, because the mean of its divisors is an integer number (23840488).

Almost surely, 2^214564308 is an apocalyptic number.

214564308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

214564308 is an abundant number, since it is smaller than the sum of its proper divisors (357607404).

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

214564308 is a wasteful number, since it uses less digits than its factorization.

214564308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554351 (or 2554349 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 214564308 is about 14648.0137902720. The cubic root of 214564308 is about 598.6676993703.

The spelling of 214564308 in words is "two hundred fourteen million, five hundred sixty-four thousand, three hundred eight".