2489569 has 8 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 2414256.

The previous prime is 2489567. The next prime is 2489573. The reversal of 2489569 is 9659842.

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

It is not a de Polignac number, because 2489569 - 2¹ = 2489567 is a prime.

It is a super-2 number, since 2×2489569² = 12395907611522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489567) 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, 5452 + ... + 5890.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

2^2489569 is an apocalyptic number.

It is an amenable number.

2489569 is a deficient number, since it is larger than the sum of its proper divisors (76511).

2489569 is a wasteful number, since it uses less digits than its factorization.

2489569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 155520, while the sum is 43.

The square root of 2489569 is about 1577.8368103197. The cubic root of 2489569 is about 135.5318570902.

It can be divided in two parts, 24895 and 69, that added together give a square (24964 = 158²).

The spelling of 2489569 in words is "two million, four hundred eighty-nine thousand, five hundred sixty-nine".