21896060 has 12 divisors (see below), whose sum is σ = 45981768. Its totient is φ = 8758416.

The previous prime is 21896041. The next prime is 21896071. The reversal of 21896060 is 6069812.

It is a hoax number, since the sum of its digits (32) 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 3 ways as a sum of consecutive naturals, for example, 547382 + ... + 547421.

It is an arithmetic number, because the mean of its divisors is an integer number (3831814).

Almost surely, 2^21896060 is an apocalyptic number.

21896060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21896060 is an abundant number, since it is smaller than the sum of its proper divisors (24085708).

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

21896060 is a wasteful number, since it uses less digits than its factorization.

21896060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094812 (or 1094810 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 21896060 is about 4679.3226005481. The cubic root of 21896060 is about 279.7619575491.

The spelling of 21896060 in words is "twenty-one million, eight hundred ninety-six thousand, sixty".