213934344 has 64 divisors (see below), whose sum is σ = 580238400. Its totient is φ = 65339136.

The previous prime is 213934337. The next prime is 213934361. The reversal of 213934344 is 443439312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40902 + ... + 45834.

It is an arithmetic number, because the mean of its divisors is an integer number (9066225).

Almost surely, 2^213934344 is an apocalyptic number.

213934344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213934344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290119200).

213934344 is an abundant number, since it is smaller than the sum of its proper divisors (366304056).

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

213934344 is a wasteful number, since it uses less digits than its factorization.

213934344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094 (or 5090 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 213934344 is about 14626.4945902974. The cubic root of 213934344 is about 598.0812259401.

The spelling of 213934344 in words is "two hundred thirteen million, nine hundred thirty-four thousand, three hundred forty-four".