24138986 has 8 divisors (see below), whose sum is σ = 36547200. Its totient is φ = 11956588.

The previous prime is 24138979. The next prime is 24139007. The reversal of 24138986 is 68983142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56186 + ... + 56613.

It is an arithmetic number, because the mean of its divisors is an integer number (4568400).

Almost surely, 2^24138986 is an apocalyptic number.

24138986 is a deficient number, since it is larger than the sum of its proper divisors (12408214).

24138986 is a wasteful number, since it uses less digits than its factorization.

24138986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112908.

The product of its digits is 82944, while the sum is 41.

The square root of 24138986 is about 4913.1442071244. The cubic root of 24138986 is about 289.0056551537.

The spelling of 24138986 in words is "twenty-four million, one hundred thirty-eight thousand, nine hundred eighty-six".