23796990 has 96 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 5435424.

The previous prime is 23796979. The next prime is 23797021. The reversal of 23796990 is 9969732.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16311 + ... + 17709.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^23796990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23796990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36691200).

23796990 is an abundant number, since it is smaller than the sum of its proper divisors (49585410).

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

23796990 is a wasteful number, since it uses less digits than its factorization.

23796990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 23796990 is about 4878.2158623825. The cubic root of 23796990 is about 287.6343014624.

The spelling of 23796990 in words is "twenty-three million, seven hundred ninety-six thousand, nine hundred ninety".