23398994 has 16 divisors (see below), whose sum is σ = 37044000. Its totient is φ = 11054304.

The previous prime is 23398993. The next prime is 23399003. The reversal of 23398994 is 49989332.

It is not an unprimeable number, because it can be changed into a prime (23398993) 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, 21782 + ... + 22830.

It is an arithmetic number, because the mean of its divisors is an integer number (2315250).

Almost surely, 2^23398994 is an apocalyptic number.

23398994 is a deficient number, since it is larger than the sum of its proper divisors (13645006).

23398994 is a wasteful number, since it uses less digits than its factorization.

23398994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657.

The product of its digits is 419904, while the sum is 47.

The square root of 23398994 is about 4837.2506654090. The cubic root of 23398994 is about 286.0217516506.

The spelling of 23398994 in words is "twenty-three million, three hundred ninety-eight thousand, nine hundred ninety-four".