21896050 has 48 divisors (see below), whose sum is σ = 45559584. Its totient is φ = 7760000.

The previous prime is 21896041. The next prime is 21896071. The reversal of 21896050 is 5069812.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22065 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (949158).

Almost surely, 2^21896050 is an apocalyptic number.

21896050 is an abundant number, since it is smaller than the sum of its proper divisors (23663534).

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

21896050 is a wasteful number, since it uses less digits than its factorization.

21896050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 21896050 is about 4679.3215320172. The cubic root of 21896050 is about 279.7619149597.

The spelling of 21896050 in words is "twenty-one million, eight hundred ninety-six thousand, fifty".