214391930 has 24 divisors (see below), whose sum is σ = 408969972. Its totient is φ = 80640384.

The previous prime is 214391923. The next prime is 214391987. The reversal of 214391930 is 39193412.

It can be written as a sum of positive squares in 2 ways, for example, as 213130801 + 1261129 = 14599^2 + 1123^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190349 + ... + 191471.

Almost surely, 2^214391930 is an apocalyptic number.

214391930 is a deficient number, since it is larger than the sum of its proper divisors (194578042).

214391930 is an equidigital number, since it uses as much as digits as its factorization.

214391930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 214391930 is about 14642.1286020851. The cubic root of 214391930 is about 598.5073359658.

The spelling of 214391930 in words is "two hundred fourteen million, three hundred ninety-one thousand, nine hundred thirty".