2489617 has 4 divisors (see below), whose sum is σ = 2681140. Its totient is φ = 2298096.

The previous prime is 2489611. The next prime is 2489639. The reversal of 2489617 is 7169842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7169842 = 2 ⋅3584921.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 1635841 = 924^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489617 - 2¹⁵ = 2456849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95742 + ... + 95767.

It is an arithmetic number, because the mean of its divisors is an integer number (670285).

2^2489617 is an apocalyptic number.

It is an amenable number.

2489617 is a deficient number, since it is larger than the sum of its proper divisors (191523).

2489617 is a wasteful number, since it uses less digits than its factorization.

2489617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191522.

The product of its digits is 24192, while the sum is 37.

The square root of 2489617 is about 1577.8520209449. The cubic root of 2489617 is about 135.5327281228.

The spelling of 2489617 in words is "two million, four hundred eighty-nine thousand, six hundred seventeen".