249604489 has 8 divisors (see below), whose sum is σ = 267472800. Its totient is φ = 232090176.

The previous prime is 249604483. The next prime is 249604493. The reversal of 249604489 is 984406942.

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 249604489 - 2²⁵ = 216050057 is a prime.

It is a super-2 number, since 2×249604489² = 124604801857902242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249604483) 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, 87039 + ... + 89860.

It is an arithmetic number, because the mean of its divisors is an integer number (33434100).

Almost surely, 2^249604489 is an apocalyptic number.

It is an amenable number.

249604489 is a deficient number, since it is larger than the sum of its proper divisors (17868311).

249604489 is a wasteful number, since it uses less digits than its factorization.

249604489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176999.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 249604489 is about 15798.8761942108. The cubic root of 249604489 is about 629.6281411809.

The spelling of 249604489 in words is "two hundred forty-nine million, six hundred four thousand, four hundred eighty-nine".