24428661 has 16 divisors (see below), whose sum is σ = 35125440. Its totient is φ = 15050880.

The previous prime is 24428639. The next prime is 24428671. The reversal of 24428661 is 16682442.

It is not a de Polignac number, because 24428661 - 2⁶ = 24428597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24428671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (2195340).

Almost surely, 2^24428661 is an apocalyptic number.

It is an amenable number.

24428661 is a deficient number, since it is larger than the sum of its proper divisors (10696779).

24428661 is a wasteful number, since it uses less digits than its factorization.

24428661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516.

The product of its digits is 18432, while the sum is 33.

The square root of 24428661 is about 4942.5358875784. The cubic root of 24428661 is about 290.1571126465.

The spelling of 24428661 in words is "twenty-four million, four hundred twenty-eight thousand, six hundred sixty-one".