21482892 has 36 divisors (see below), whose sum is σ = 54534480. Its totient is φ = 7130592.

The previous prime is 21482891. The next prime is 21482899. The reversal of 21482892 is 29828412.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (21482891) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8334 + ... + 10602.

Almost surely, 2^21482892 is an apocalyptic number.

It is an amenable number.

21482892 is an abundant number, since it is smaller than the sum of its proper divisors (33051588).

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

21482892 is a wasteful number, since it uses less digits than its factorization.

21482892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542 (or 2537 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 21482892 is about 4634.9640775307. The cubic root of 21482892 is about 277.9911147377.

The spelling of 21482892 in words is "twenty-one million, four hundred eighty-two thousand, eight hundred ninety-two".