213536344 has 16 divisors (see below), whose sum is σ = 457578000. Its totient is φ = 91515552.

The previous prime is 213536333. The next prime is 213536413. The reversal of 213536344 is 443635312.

213536344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906519 + ... + 1906630.

It is an arithmetic number, because the mean of its divisors is an integer number (28598625).

Almost surely, 2^213536344 is an apocalyptic number.

It is an amenable number.

213536344 is an abundant number, since it is smaller than the sum of its proper divisors (244041656).

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

213536344 is a wasteful number, since it uses less digits than its factorization.

213536344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813162 (or 3813158 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 213536344 is about 14612.8828093570. The cubic root of 213536344 is about 597.7101088189.

The spelling of 213536344 in words is "two hundred thirteen million, five hundred thirty-six thousand, three hundred forty-four".