21038096 has 20 divisors (see below), whose sum is σ = 40903632. Its totient is φ = 10482336.

The previous prime is 21038071. The next prime is 21038117. The reversal of 21038096 is 69083012.

It is a hoax number, since the sum of its digits (29) 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771 + ... + 7053.

Almost surely, 2^21038096 is an apocalyptic number.

It is an amenable number.

21038096 is a deficient number, since it is larger than the sum of its proper divisors (19865536).

21038096 is a wasteful number, since it uses less digits than its factorization.

21038096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 21038096 is about 4586.7304259134. The cubic root of 21038096 is about 276.0591485638.

The spelling of 21038096 in words is "twenty-one million, thirty-eight thousand, ninety-six".