21482958 has 32 divisors (see below), whose sum is σ = 51690240. Its totient is φ = 5814720.

The previous prime is 21482941. The next prime is 21482959. The reversal of 21482958 is 85928412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663 + ... + 14258.

It is an arithmetic number, because the mean of its divisors is an integer number (1615320).

Almost surely, 2^21482958 is an apocalyptic number.

21482958 is an abundant number, since it is smaller than the sum of its proper divisors (30207282).

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

21482958 is a wasteful number, since it uses less digits than its factorization.

21482958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952.

The product of its digits is 46080, while the sum is 39.

The square root of 21482958 is about 4634.9711973215. The cubic root of 21482958 is about 277.9913994199.

The spelling of 21482958 in words is "twenty-one million, four hundred eighty-two thousand, nine hundred fifty-eight".