213373332 has 48 divisors (see below), whose sum is σ = 554339520. Its totient is φ = 70976736.

The previous prime is 213373327. The next prime is 213373333. The reversal of 213373332 is 233373312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213373296 and 213373305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213373333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58383 + ... + 61929.

It is an arithmetic number, because the mean of its divisors is an integer number (11548740).

Almost surely, 2^213373332 is an apocalyptic number.

It is an amenable number.

213373332 is an abundant number, since it is smaller than the sum of its proper divisors (340966188).

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

213373332 is a wasteful number, since it uses less digits than its factorization.

213373332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117 (or 4109 counting only the distinct ones).

The product of its digits is 6804, while the sum is 27.

The square root of 213373332 is about 14607.3040633787. The cubic root of 213373332 is about 597.5579743353.

The spelling of 213373332 in words is "two hundred thirteen million, three hundred seventy-three thousand, three hundred thirty-two".