24964381 has 32 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 20321280.

The previous prime is 24964349. The next prime is 24964397. The reversal of 24964381 is 18346942.

It is a 5-Lehmer number, since φ(24964381) divides (24964381-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 24964381 - 2⁵ = 24964349 is a prime.

It is a super-2 number, since 2×24964381² = 1246440637426322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24964381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24964301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351576 + ... + 351646.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^24964381 is an apocalyptic number.

It is an amenable number.

24964381 is a deficient number, since it is larger than the sum of its proper divisors (5372387).

24964381 is a wasteful number, since it uses less digits than its factorization.

24964381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its digits is 41472, while the sum is 37.

The square root of 24964381 is about 4996.4368303822. The cubic root of 24964381 is about 292.2628403677.

The spelling of 24964381 in words is "twenty-four million, nine hundred sixty-four thousand, three hundred eighty-one".