23394738 has 32 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 7336656.

The previous prime is 23394733. The next prime is 23394769. The reversal of 23394738 is 83749332.

It is a super-3 number, since 3×23394738³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23394696 and 23394705.

It is not an unprimeable number, because it can be changed into a prime (23394733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17953 + ... + 19211.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^23394738 is an apocalyptic number.

23394738 is an abundant number, since it is smaller than the sum of its proper divisors (26198862).

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

23394738 is a wasteful number, since it uses less digits than its factorization.

23394738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its digits is 108864, while the sum is 39.

The square root of 23394738 is about 4836.8107260880. The cubic root of 23394738 is about 286.0044092756.

The spelling of 23394738 in words is "twenty-three million, three hundred ninety-four thousand, seven hundred thirty-eight".