213395880 has 32 divisors (see below), whose sum is σ = 640188000. Its totient is φ = 56905536.

The previous prime is 213395879. The next prime is 213395881. The reversal of 213395880 is 88593312.

It is an interprime number because it is at equal distance from previous prime (213395879) and next prime (213395881).

It is not an unprimeable number, because it can be changed into a prime (213395881) 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, 889030 + ... + 889269.

It is an arithmetic number, because the mean of its divisors is an integer number (20005875).

Almost surely, 2^213395880 is an apocalyptic number.

213395880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213395880 is an abundant number, since it is smaller than the sum of its proper divisors (426792120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213395880 is a wasteful number, since it uses less digits than its factorization.

213395880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778313 (or 1778309 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 213395880 is about 14608.0758486530. The cubic root of 213395880 is about 597.5790223618.

The spelling of 213395880 in words is "two hundred thirteen million, three hundred ninety-five thousand, eight hundred eighty".