21348796 has 24 divisors (see below), whose sum is σ = 43424640. Its totient is φ = 8993712.

The previous prime is 21348781. The next prime is 21348809. The reversal of 21348796 is 69784312.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 4810 + ... + 8113.

It is an arithmetic number, because the mean of its divisors is an integer number (1809360).

Almost surely, 2^21348796 is an apocalyptic number.

It is an amenable number.

21348796 is an abundant number, since it is smaller than the sum of its proper divisors (22075844).

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

21348796 is a wasteful number, since it uses less digits than its factorization.

21348796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12993 (or 12991 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 21348796 is about 4620.4757330820. The cubic root of 21348796 is about 277.4115011466.

The spelling of 21348796 in words is "twenty-one million, three hundred forty-eight thousand, seven hundred ninety-six".