213798872 has 32 divisors (see below), whose sum is σ = 459052320. Its totient is φ = 91445760.

The previous prime is 213798863. The next prime is 213798883. The reversal of 213798872 is 278897312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26768 + ... + 33824.

It is an arithmetic number, because the mean of its divisors is an integer number (14345385).

Almost surely, 2^213798872 is an apocalyptic number.

It is an amenable number.

213798872 is an abundant number, since it is smaller than the sum of its proper divisors (245253448).

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

213798872 is a wasteful number, since it uses less digits than its factorization.

213798872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611 (or 7607 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 213798872 is about 14621.8628088216. The cubic root of 213798872 is about 597.9549560968.

The spelling of 213798872 in words is "two hundred thirteen million, seven hundred ninety-eight thousand, eight hundred seventy-two".