213389472 has 48 divisors (see below), whose sum is σ = 561163680. Its totient is φ = 71000832.

The previous prime is 213389459. The next prime is 213389483. The reversal of 213389472 is 274983312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 213389472.

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, 61578 + ... + 64950.

It is an arithmetic number, because the mean of its divisors is an integer number (11690910).

Almost surely, 2^213389472 is an apocalyptic number.

It is an amenable number.

213389472 is an abundant number, since it is smaller than the sum of its proper divisors (347774208).

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

213389472 is a wasteful number, since it uses less digits than its factorization.

213389472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4037 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 213389472 is about 14607.8565162723. The cubic root of 213389472 is about 597.5730407957.

The spelling of 213389472 in words is "two hundred thirteen million, three hundred eighty-nine thousand, four hundred seventy-two".