24400085 has 16 divisors (see below), whose sum is σ = 31138560. Its totient is φ = 18302400.

The previous prime is 24400081. The next prime is 24400109. The reversal of 24400085 is 58000442.

It is not a de Polignac number, because 24400085 - 2² = 24400081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24400085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24400081) 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, 8324 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (1946160).

Almost surely, 2^24400085 is an apocalyptic number.

It is an amenable number.

24400085 is a deficient number, since it is larger than the sum of its proper divisors (6738475).

24400085 is a wasteful number, since it uses less digits than its factorization.

24400085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 24400085 is about 4939.6442179574. The cubic root of 24400085 is about 290.0439291360.

The spelling of 24400085 in words is "twenty-four million, four hundred thousand, eighty-five".