23925890 has 16 divisors (see below), whose sum is σ = 43494840. Its totient is φ = 9475200.

The previous prime is 23925887. The next prime is 23925917. The reversal of 23925890 is 9852932.

It can be written as a sum of positive squares in 4 ways, for example, as 18722929 + 5202961 = 4327^2 + 2281^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10835 + ... + 12854.

Almost surely, 2^23925890 is an apocalyptic number.

23925890 is a deficient number, since it is larger than the sum of its proper divisors (19568950).

23925890 is a wasteful number, since it uses less digits than its factorization.

23925890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23797.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 23925890 is about 4891.4098172204. The cubic root of 23925890 is about 288.1527048331.

The spelling of 23925890 in words is "twenty-three million, nine hundred twenty-five thousand, eight hundred ninety".