24261990 has 16 divisors (see below), whose sum is σ = 58228848. Its totient is φ = 6469856.

The previous prime is 24261971. The next prime is 24261997. The reversal of 24261990 is 9916242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24261997) 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 7 ways as a sum of consecutive naturals, for example, 404337 + ... + 404396.

It is an arithmetic number, because the mean of its divisors is an integer number (3639303).

Almost surely, 2^24261990 is an apocalyptic number.

24261990 is an abundant number, since it is smaller than the sum of its proper divisors (33966858).

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

24261990 is a wasteful number, since it uses less digits than its factorization.

24261990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808743.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 24261990 is about 4925.6461505066. The cubic root of 24261990 is about 289.4957149595.

The spelling of 24261990 in words is "twenty-four million, two hundred sixty-one thousand, nine hundred ninety".