23749398 has 12 divisors (see below), whose sum is σ = 51457068. Its totient is φ = 7916460.

The previous prime is 23749387. The next prime is 23749417. The reversal of 23749398 is 89394732.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659688 + ... + 659723.

It is an arithmetic number, because the mean of its divisors is an integer number (4288089).

Almost surely, 2^23749398 is an apocalyptic number.

23749398 is an abundant number, since it is smaller than the sum of its proper divisors (27707670).

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

23749398 is a wasteful number, since it uses less digits than its factorization.

23749398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319419 (or 1319416 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 23749398 is about 4873.3354081163. The cubic root of 23749398 is about 287.4424252698.

The spelling of 23749398 in words is "twenty-three million, seven hundred forty-nine thousand, three hundred ninety-eight".