213376872 has 32 divisors (see below), whose sum is σ = 534520800. Its totient is φ = 70981824.

The previous prime is 213376871. The next prime is 213376873. The reversal of 213376872 is 278673312.

It is an interprime number because it is at equal distance from previous prime (213376871) and next prime (213376873).

It is a self number, because there is not a number n which added to its sum of digits gives 213376872.

It is not an unprimeable number, because it can be changed into a prime (213376871) 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, 3483 + ... + 20949.

It is an arithmetic number, because the mean of its divisors is an integer number (16703775).

Almost surely, 2^213376872 is an apocalyptic number.

It is an amenable number.

213376872 is an abundant number, since it is smaller than the sum of its proper divisors (321143928).

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

213376872 is a wasteful number, since it uses less digits than its factorization.

213376872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17985 (or 17981 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 213376872 is about 14607.4252351330. The cubic root of 213376872 is about 597.5612789400.

The spelling of 213376872 in words is "two hundred thirteen million, three hundred seventy-six thousand, eight hundred seventy-two".