23990364 has 48 divisors (see below), whose sum is σ = 62576640. Its totient is φ = 7948080.

The previous prime is 23990359. The next prime is 23990377. The reversal of 23990364 is 46309932.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20047 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (1303680).

Almost surely, 2^23990364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23990364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31288320).

23990364 is an abundant number, since it is smaller than the sum of its proper divisors (38586276).

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

23990364 is a wasteful number, since it uses less digits than its factorization.

23990364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 23990364 is about 4897.9959166990. The cubic root of 23990364 is about 288.4113046803.

The spelling of 23990364 in words is "twenty-three million, nine hundred ninety thousand, three hundred sixty-four".