21483192 has 16 divisors (see below), whose sum is σ = 53708040. Its totient is φ = 7161056.

The previous prime is 21483191. The next prime is 21483197. The reversal of 21483192 is 29138412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21483191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447543 + ... + 447590.

Almost surely, 2^21483192 is an apocalyptic number.

It is an amenable number.

21483192 is an abundant number, since it is smaller than the sum of its proper divisors (32224848).

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

21483192 is a wasteful number, since it uses less digits than its factorization.

21483192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895142 (or 895138 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 21483192 is about 4634.9964401281. The cubic root of 21483192 is about 277.9924087432.

The spelling of 21483192 in words is "twenty-one million, four hundred eighty-three thousand, one hundred ninety-two".