21334292 has 12 divisors (see below), whose sum is σ = 42668640. Its totient is φ = 9143256.

The previous prime is 21334253. The next prime is 21334319. The reversal of 21334292 is 29243312.

21334292 is an admirable number.

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, 380942 + ... + 380997.

It is an arithmetic number, because the mean of its divisors is an integer number (3555720).

Almost surely, 2^21334292 is an apocalyptic number.

It is an amenable number.

21334292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21334292 is a wasteful number, since it uses less digits than its factorization.

21334292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761950 (or 761948 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 21334292 is about 4618.9059310620. The cubic root of 21334292 is about 277.3486640677.

The spelling of 21334292 in words is "twenty-one million, three hundred thirty-four thousand, two hundred ninety-two".