24206989 has 8 divisors (see below), whose sum is σ = 24500000. Its totient is φ = 23915952.

The previous prime is 24206977. The next prime is 24206993. The reversal of 24206989 is 98960242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24206989 is a prime.

It is a super-2 number, since 2×24206989² = 1171956632892242, which contains 22 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 (24206999) 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, 48262 + ... + 48760.

It is an arithmetic number, because the mean of its divisors is an integer number (3062500).

Almost surely, 2^24206989 is an apocalyptic number.

It is an amenable number.

24206989 is a deficient number, since it is larger than the sum of its proper divisors (293011).

24206989 is a wasteful number, since it uses less digits than its factorization.

24206989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 24206989 is about 4920.0598573595. The cubic root of 24206989 is about 289.2767908875.

It can be divided in two parts, 2420 and 6989, that added together give a square (9409 = 97²).

The spelling of 24206989 in words is "twenty-four million, two hundred six thousand, nine hundred eighty-nine".