24128985 has 8 divisors (see below), whose sum is σ = 38606400. Its totient is φ = 12868784.

The previous prime is 24128983. The next prime is 24128987. The reversal of 24128985 is 58982142.

It is an interprime number because it is at equal distance from previous prime (24128983) and next prime (24128987).

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 24128985 - 2¹ = 24128983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24128981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804285 + ... + 804314.

It is an arithmetic number, because the mean of its divisors is an integer number (4825800).

Almost surely, 2^24128985 is an apocalyptic number.

It is an amenable number.

24128985 is a deficient number, since it is larger than the sum of its proper divisors (14477415).

24128985 is a wasteful number, since it uses less digits than its factorization.

24128985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608607.

The product of its digits is 46080, while the sum is 39.

The square root of 24128985 is about 4912.1263216656. The cubic root of 24128985 is about 288.9657370890.

The spelling of 24128985 in words is "twenty-four million, one hundred twenty-eight thousand, nine hundred eighty-five".