2479289 has 4 divisors (see below), whose sum is σ = 2497524. Its totient is φ = 2461056.

The previous prime is 2479283. The next prime is 2479307. The reversal of 2479289 is 9829742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 1638400 = 917^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479289 - 2²⁰ = 1430713 is a prime.

It is a super-2 number, since 2×2479289² = 12293747891042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2479283) 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, 8912 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (624381).

2^2479289 is an apocalyptic number.

It is an amenable number.

2479289 is a deficient number, since it is larger than the sum of its proper divisors (18235).

2479289 is a wasteful number, since it uses less digits than its factorization.

2479289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18234.

The product of its digits is 72576, while the sum is 41.

The square root of 2479289 is about 1574.5758158946. The cubic root of 2479289 is about 135.3450523850.

The spelling of 2479289 in words is "two million, four hundred seventy-nine thousand, two hundred eighty-nine".