214390720 has 28 divisors (see below), whose sum is σ = 510518664. Its totient is φ = 85756160.

The previous prime is 214390679. The next prime is 214390721. The reversal of 214390720 is 27093412.

214390720 = 229² + 230² + ... + 868².

214390720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214390721) 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, 334666 + ... + 335305.

Almost surely, 2^214390720 is an apocalyptic number.

214390720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214390720 is an abundant number, since it is smaller than the sum of its proper divisors (296127944).

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

214390720 is an equidigital number, since it uses as much as digits as its factorization.

214390720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669988 (or 669978 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 214390720 is about 14642.0872828979. The cubic root of 214390720 is about 598.5062099980.

The spelling of 214390720 in words is "two hundred fourteen million, three hundred ninety thousand, seven hundred twenty".