21334952 has 16 divisors (see below), whose sum is σ = 41382900. Its totient is φ = 10299520.

The previous prime is 21334927. The next prime is 21334969. The reversal of 21334952 is 25943312.

It can be written as a sum of positive squares in 2 ways, for example, as 21215236 + 119716 = 4606^2 + 346^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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 3 ways as a sum of consecutive naturals, for example, 45749 + ... + 46212.

Almost surely, 2^21334952 is an apocalyptic number.

It is an amenable number.

21334952 is a deficient number, since it is larger than the sum of its proper divisors (20047948).

21334952 is a wasteful number, since it uses less digits than its factorization.

21334952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91996 (or 91992 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 21334952 is about 4618.9773760000. The cubic root of 21334952 is about 277.3515240677.

The spelling of 21334952 in words is "twenty-one million, three hundred thirty-four thousand, nine hundred fifty-two".