214992530 has 8 divisors (see below), whose sum is σ = 386986572. Its totient is φ = 85997008.

The previous prime is 214992517. The next prime is 214992587. The reversal of 214992530 is 35299412.

It can be written as a sum of positive squares in 2 ways, for example, as 210859441 + 4133089 = 14521^2 + 2033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10749617 + ... + 10749636.

Almost surely, 2^214992530 is an apocalyptic number.

214992530 is a deficient number, since it is larger than the sum of its proper divisors (171994042).

214992530 is a wasteful number, since it uses less digits than its factorization.

214992530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21499260.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 214992530 is about 14662.6235715168. The cubic root of 214992530 is about 599.0657033121.

The spelling of 214992530 in words is "two hundred fourteen million, nine hundred ninety-two thousand, five hundred thirty".