21094264 has 16 divisors (see below), whose sum is σ = 40053600. Its totient is φ = 10413312.

The previous prime is 21094259. The next prime is 21094273. The reversal of 21094264 is 46249012.

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, 16057 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (2503350).

Almost surely, 2^21094264 is an apocalyptic number.

It is an amenable number.

21094264 is a deficient number, since it is larger than the sum of its proper divisors (18959336).

21094264 is a wasteful number, since it uses less digits than its factorization.

21094264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33462 (or 33458 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 21094264 is about 4592.8492246099. The cubic root of 21094264 is about 276.3046066372.

The spelling of 21094264 in words is "twenty-one million, ninety-four thousand, two hundred sixty-four".