21410792 has 32 divisors (see below), whose sum is σ = 45118080. Its totient is φ = 9451200.

The previous prime is 21410791. The next prime is 21410833. The reversal of 21410792 is 29701412.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (21410791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (1409940).

Almost surely, 2^21410792 is an apocalyptic number.

It is an amenable number.

21410792 is an abundant number, since it is smaller than the sum of its proper divisors (23707288).

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

21410792 is a wasteful number, since it uses less digits than its factorization.

21410792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993 (or 8989 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 21410792 is about 4627.1797025834. The cubic root of 21410792 is about 277.6797720508.

The spelling of 21410792 in words is "twenty-one million, four hundred ten thousand, seven hundred ninety-two".