21792352 has 12 divisors (see below), whose sum is σ = 42903756. Its totient is φ = 10896160.

The previous prime is 21792347. The next prime is 21792359. The reversal of 21792352 is 25329712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21792359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340474 + ... + 340537.

It is an arithmetic number, because the mean of its divisors is an integer number (3575313).

Almost surely, 2^21792352 is an apocalyptic number.

It is an amenable number.

21792352 is a deficient number, since it is larger than the sum of its proper divisors (21111404).

21792352 is an equidigital number, since it uses as much as digits as its factorization.

21792352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681021 (or 681013 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 21792352 is about 4668.2279293111. The cubic root of 21792352 is about 279.3195723227.

The spelling of 21792352 in words is "twenty-one million, seven hundred ninety-two thousand, three hundred fifty-two".