214308718 has 16 divisors (see below), whose sum is σ = 347331600. Its totient is φ = 98585856.

The previous prime is 214308667. The next prime is 214308719. The reversal of 214308718 is 817803412.

It is a happy number.

It is a super-2 number, since 2×214308718² = 91856453221607048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214308719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5443 + ... + 21406.

It is an arithmetic number, because the mean of its divisors is an integer number (21708225).

Almost surely, 2^214308718 is an apocalyptic number.

214308718 is a deficient number, since it is larger than the sum of its proper divisors (133022882).

214308718 is a wasteful number, since it uses less digits than its factorization.

214308718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27171.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 214308718 is about 14639.2867995678. The cubic root of 214308718 is about 598.4298930055.

The spelling of 214308718 in words is "two hundred fourteen million, three hundred eight thousand, seven hundred eighteen".