23794890 has 48 divisors (see below), whose sum is σ = 66435552. Its totient is φ = 5438496.

The previous prime is 23794889. The next prime is 23794891. The reversal of 23794890 is 9849732.

It is an interprime number because it is at equal distance from previous prime (23794889) and next prime (23794891).

It is a super-2 number, since 2×23794890² = 1132393580224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23794891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6624 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (1384074).

Almost surely, 2^23794890 is an apocalyptic number.

23794890 is an abundant number, since it is smaller than the sum of its proper divisors (42640662).

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

23794890 is a wasteful number, since it uses less digits than its factorization.

23794890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211 (or 16204 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 23794890 is about 4878.0006150061. Note that the first 3 decimals coincide. The cubic root of 23794890 is about 287.6258403111.

The spelling of 23794890 in words is "twenty-three million, seven hundred ninety-four thousand, eight hundred ninety".