23964398 has 4 divisors (see below), whose sum is σ = 35946600. Its totient is φ = 11982198.

The previous prime is 23964397. The next prime is 23964431. The reversal of 23964398 is 89346932.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23964397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5991098 + ... + 5991101.

It is an arithmetic number, because the mean of its divisors is an integer number (8986650).

Almost surely, 2^23964398 is an apocalyptic number.

23964398 is a deficient number, since it is larger than the sum of its proper divisors (11982202).

23964398 is a wasteful number, since it uses less digits than its factorization.

23964398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982201.

The product of its digits is 279936, while the sum is 44.

The square root of 23964398 is about 4895.3445231158. The cubic root of 23964398 is about 288.3072130065.

The spelling of 23964398 in words is "twenty-three million, nine hundred sixty-four thousand, three hundred ninety-eight".