24272989 has 8 divisors (see below), whose sum is σ = 26411000. Its totient is φ = 22173696.

The previous prime is 24272959. The next prime is 24273001. The reversal of 24272989 is 98927242.

It can be written as a sum of positive squares in 4 ways, for example, as 2576025 + 21696964 = 1605^2 + 4658^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 24272989 - 2⁹ = 24272477 is a prime.

It is a super-3 number, since 3×24272989³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24272909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8364 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (3301375).

Almost surely, 2^24272989 is an apocalyptic number.

It is an amenable number.

24272989 is a deficient number, since it is larger than the sum of its proper divisors (2138011).

24272989 is a wasteful number, since it uses less digits than its factorization.

24272989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19359.

The product of its digits is 145152, while the sum is 43.

The square root of 24272989 is about 4926.7625272586. The cubic root of 24272989 is about 289.5394552891.

The spelling of 24272989 in words is "twenty-four million, two hundred seventy-two thousand, nine hundred eighty-nine".