213869874 has 16 divisors (see below), whose sum is σ = 437687712. Its totient is φ = 69631968.

The previous prime is 213869869. The next prime is 213869927. The reversal of 213869874 is 478968312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414219 + ... + 414734.

It is an arithmetic number, because the mean of its divisors is an integer number (27355482).

Almost surely, 2^213869874 is an apocalyptic number.

213869874 is an abundant number, since it is smaller than the sum of its proper divisors (223817838).

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

213869874 is a wasteful number, since it uses less digits than its factorization.

213869874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829001.

The product of its digits is 580608, while the sum is 48.

The square root of 213869874 is about 14624.2905468949. The cubic root of 213869874 is about 598.0211418199.

The spelling of 213869874 in words is "two hundred thirteen million, eight hundred sixty-nine thousand, eight hundred seventy-four".