23989546 has 16 divisors (see below), whose sum is σ = 41198976. Its totient is φ = 10262736.

The previous prime is 23989541. The next prime is 23989547. The reversal of 23989546 is 64598932.

It is a super-2 number, since 2×23989546² = 1150996634572232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23989496 and 23989505.

It is not an unprimeable number, because it can be changed into a prime (23989541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9000 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (2574936).

Almost surely, 2^23989546 is an apocalyptic number.

23989546 is a deficient number, since it is larger than the sum of its proper divisors (17209430).

23989546 is a wasteful number, since it uses less digits than its factorization.

23989546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its digits is 466560, while the sum is 46.

The square root of 23989546 is about 4897.9124124468. The cubic root of 23989546 is about 288.4080266541.

The spelling of 23989546 in words is "twenty-three million, nine hundred eighty-nine thousand, five hundred forty-six".