213956608 has 24 divisors (see below), whose sum is σ = 427812840. Its totient is φ = 106977280.

The previous prime is 213956593. The next prime is 213956621. The reversal of 213956608 is 806659312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50188 + ... + 54283.

It is an arithmetic number, because the mean of its divisors is an integer number (17825535).

Almost surely, 2^213956608 is an apocalyptic number.

It is an amenable number.

213956608 is a deficient number, since it is larger than the sum of its proper divisors (213856232).

213956608 is an equidigital number, since it uses as much as digits as its factorization.

213956608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104493 (or 104473 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 213956608 is about 14627.2556551118. The cubic root of 213956608 is about 598.1019725210.

The spelling of 213956608 in words is "two hundred thirteen million, nine hundred fifty-six thousand, six hundred eight".