24320989 has 8 divisors (see below), whose sum is σ = 30322368. Its totient is φ = 18951360.

The previous prime is 24320987. The next prime is 24321001. The reversal of 24320989 is 98902342.

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 24320989 - 2¹ = 24320987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24320981) 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, 157852 + ... + 158005.

It is an arithmetic number, because the mean of its divisors is an integer number (3790296).

Almost surely, 2^24320989 is an apocalyptic number.

It is an amenable number.

24320989 is a deficient number, since it is larger than the sum of its proper divisors (6001379).

24320989 is a wasteful number, since it uses less digits than its factorization.

24320989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315875.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 24320989 is about 4931.6314744717. The cubic root of 24320989 is about 289.7301850319.

The spelling of 24320989 in words is "twenty-four million, three hundred twenty thousand, nine hundred eighty-nine".