21374962 has 32 divisors (see below), whose sum is σ = 38983680. Its totient is φ = 8586000.

The previous prime is 21374959. The next prime is 21374971. The reversal of 21374962 is 26947312.

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 15 ways as a sum of consecutive naturals, for example, 28087 + ... + 28837.

It is an arithmetic number, because the mean of its divisors is an integer number (1218240).

Almost surely, 2^21374962 is an apocalyptic number.

21374962 is a deficient number, since it is larger than the sum of its proper divisors (17608718).

21374962 is a wasteful number, since it uses less digits than its factorization.

21374962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its digits is 18144, while the sum is 34.

The square root of 21374962 is about 4623.3063926156. The cubic root of 21374962 is about 277.5247906862.

The spelling of 21374962 in words is "twenty-one million, three hundred seventy-four thousand, nine hundred sixty-two".