213838570 has 64 divisors (see below), whose sum is σ = 438286464. Its totient is φ = 74430720.

The previous prime is 213838531. The next prime is 213838571. The reversal of 213838570 is 75838312.

It is not an unprimeable number, because it can be changed into a prime (213838571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250264 + ... + 251116.

It is an arithmetic number, because the mean of its divisors is an integer number (6848226).

Almost surely, 2^213838570 is an apocalyptic number.

213838570 is an abundant number, since it is smaller than the sum of its proper divisors (224447894).

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

213838570 is a wasteful number, since it uses less digits than its factorization.

213838570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 213838570 is about 14623.2202335874. The cubic root of 213838570 is about 597.9919630691.

The spelling of 213838570 in words is "two hundred thirteen million, eight hundred thirty-eight thousand, five hundred seventy".