213360385 has 32 divisors (see below), whose sum is σ = 299646720. Its totient is φ = 142829568.

The previous prime is 213360359. The next prime is 213360403. The reversal of 213360385 is 583063312.

It is not a de Polignac number, because 213360385 - 2¹⁵ = 213327617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288346 + ... + 289084.

It is an arithmetic number, because the mean of its divisors is an integer number (9363960).

Almost surely, 2^213360385 is an apocalyptic number.

It is an amenable number.

213360385 is a deficient number, since it is larger than the sum of its proper divisors (86286335).

213360385 is a wasteful number, since it uses less digits than its factorization.

213360385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 213360385 is about 14606.8608879526. The cubic root of 213360385 is about 597.5458879459.

The spelling of 213360385 in words is "two hundred thirteen million, three hundred sixty thousand, three hundred eighty-five".