24893990 has 64 divisors (see below), whose sum is σ = 52842240. Its totient is φ = 8346240.

The previous prime is 24893989. The next prime is 24894017. The reversal of 24893990 is 9939842.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89732 + ... + 90008.

It is an arithmetic number, because the mean of its divisors is an integer number (825660).

Almost surely, 2^24893990 is an apocalyptic number.

24893990 is an abundant number, since it is smaller than the sum of its proper divisors (27948250).

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

24893990 is a wasteful number, since it uses less digits than its factorization.

24893990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 24893990 is about 4989.3877379895. The cubic root of 24893990 is about 291.9878880946.

The spelling of 24893990 in words is "twenty-four million, eight hundred ninety-three thousand, nine hundred ninety".