21796060 has 48 divisors (see below), whose sum is σ = 53780832. Its totient is φ = 7315200.

The previous prime is 21796031. The next prime is 21796067. The reversal of 21796060 is 6069712.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21796067) 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, 951 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (1120434).

Almost surely, 2^21796060 is an apocalyptic number.

21796060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21796060 is an abundant number, since it is smaller than the sum of its proper divisors (31984772).

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

21796060 is a wasteful number, since it uses less digits than its factorization.

21796060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654 (or 7652 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 21796060 is about 4668.6250652628. The cubic root of 21796060 is about 279.3354136331.

The spelling of 21796060 in words is "twenty-one million, seven hundred ninety-six thousand, sixty".