23494889 has 8 divisors (see below), whose sum is σ = 26323968. Its totient is φ = 20781360.

The previous prime is 23494883. The next prime is 23494903. The reversal of 23494889 is 98849432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23494889 - 2⁸ = 23494633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23494883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28457 + ... + 29270.

It is an arithmetic number, because the mean of its divisors is an integer number (3290496).

Almost surely, 2^23494889 is an apocalyptic number.

It is an amenable number.

23494889 is a deficient number, since it is larger than the sum of its proper divisors (2829079).

23494889 is a wasteful number, since it uses less digits than its factorization.

23494889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57775.

The product of its digits is 497664, while the sum is 47.

The square root of 23494889 is about 4847.1526693514. The cubic root of 23494889 is about 286.4119489373.

The spelling of 23494889 in words is "twenty-three million, four hundred ninety-four thousand, eight hundred eighty-nine".