23689398 has 32 divisors (see below), whose sum is σ = 51529824. Its totient is φ = 7229952.

The previous prime is 23689373. The next prime is 23689417. The reversal of 23689398 is 89398632.

It is a super-2 number, since 2×23689398² = 1122375155204808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (1610307).

Almost surely, 2^23689398 is an apocalyptic number.

23689398 is an abundant number, since it is smaller than the sum of its proper divisors (27840426).

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

23689398 is a wasteful number, since it uses less digits than its factorization.

23689398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336.

The product of its digits is 559872, while the sum is 48.

The square root of 23689398 is about 4867.1755669998. The cubic root of 23689398 is about 287.2001582208.

The spelling of 23689398 in words is "twenty-three million, six hundred eighty-nine thousand, three hundred ninety-eight".