21514926 has 32 divisors (see below), whose sum is σ = 45372960. Its totient is φ = 6790784.

The previous prime is 21514903. The next prime is 21514931. The reversal of 21514926 is 62941512.

It is a junction number, because it is equal to n+sod(n) for n = 21514893 and 21514902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8056 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (1417905).

Almost surely, 2^21514926 is an apocalyptic number.

21514926 is an abundant number, since it is smaller than the sum of its proper divisors (23858034).

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

21514926 is a wasteful number, since it uses less digits than its factorization.

21514926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its digits is 4320, while the sum is 30.

The square root of 21514926 is about 4638.4184804737. The cubic root of 21514926 is about 278.1292206741.

The spelling of 21514926 in words is "twenty-one million, five hundred fourteen thousand, nine hundred twenty-six".