215696330 has 16 divisors (see below), whose sum is σ = 394835040. Its totient is φ = 84815952.

The previous prime is 215696329. The next prime is 215696339. The reversal of 215696330 is 33696512.

It is not an unprimeable number, because it can be changed into a prime (215696339) 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, 182204 + ... + 183383.

It is an arithmetic number, because the mean of its divisors is an integer number (24677190).

Almost surely, 2^215696330 is an apocalyptic number.

215696330 is a deficient number, since it is larger than the sum of its proper divisors (179138710).

215696330 is a wasteful number, since it uses less digits than its factorization.

215696330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365653.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 215696330 is about 14686.6037598895. The cubic root of 215696330 is about 599.7186922046.

The spelling of 215696330 in words is "two hundred fifteen million, six hundred ninety-six thousand, three hundred thirty".