214900660 has 24 divisors (see below), whose sum is σ = 486006696. Its totient is φ = 79347840.

The previous prime is 214900613. The next prime is 214900669. The reversal of 214900660 is 66009412.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 212809744 = 1446^2 + 14588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214900669) 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, 413011 + ... + 413530.

It is an arithmetic number, because the mean of its divisors is an integer number (20250279).

Almost surely, 2^214900660 is an apocalyptic number.

214900660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214900660 is an abundant number, since it is smaller than the sum of its proper divisors (271106036).

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

214900660 is a wasteful number, since it uses less digits than its factorization.

214900660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826563 (or 826561 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 214900660 is about 14659.4904413489. The cubic root of 214900660 is about 598.9803608007.

The spelling of 214900660 in words is "two hundred fourteen million, nine hundred thousand, six hundred sixty".