23938938 has 12 divisors (see below), whose sum is σ = 51867738. Its totient is φ = 7979640.

The previous prime is 23938931. The next prime is 23938961. The reversal of 23938938 is 83983932.

23938938 is a `hidden beast` number, since 239 + 389 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23882769 + 56169 = 4887^2 + 237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23938893 and 23938902.

It is not an unprimeable number, because it can be changed into a prime (23938931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664953 + ... + 664988.

Almost surely, 2^23938938 is an apocalyptic number.

23938938 is an abundant number, since it is smaller than the sum of its proper divisors (27928800).

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

23938938 is a wasteful number, since it uses less digits than its factorization.

23938938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329949 (or 1329946 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 23938938 is about 4892.7434022233. The cubic root of 23938938 is about 288.2050767369.

It can be divided in two parts, 23 and 938938, that added together give a square (938961 = 969²).

The spelling of 23938938 in words is "twenty-three million, nine hundred thirty-eight thousand, nine hundred thirty-eight".