21735096 has 16 divisors (see below), whose sum is σ = 54337800. Its totient is φ = 7245024.

The previous prime is 21735089. The next prime is 21735137. The reversal of 21735096 is 69053712.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 452791 + ... + 452838.

Almost surely, 2^21735096 is an apocalyptic number.

It is an amenable number.

21735096 is an abundant number, since it is smaller than the sum of its proper divisors (32602704).

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

21735096 is a wasteful number, since it uses less digits than its factorization.

21735096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905638 (or 905634 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 21735096 is about 4662.0913761959. The cubic root of 21735096 is about 279.0747349284.

The spelling of 21735096 in words is "twenty-one million, seven hundred thirty-five thousand, ninety-six".