2679489 has 24 divisors (see below), whose sum is σ = 4167072. Its totient is φ = 1653120.

The previous prime is 2679463. The next prime is 2679491. The reversal of 2679489 is 9849762.

It is a happy number.

It is not a de Polignac number, because 2679489 - 2⁸ = 2679233 is a prime.

It is a super-2 number, since 2×2679489² = 14359322602242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁶ + 7 + 9³ + 4⁶ + 8⁷ + 9⁴ .

It is not an unprimeable number, because it can be changed into a prime (2679449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12594 + ... + 12804.

It is an arithmetic number, because the mean of its divisors is an integer number (173628).

2^2679489 is an apocalyptic number.

It is an amenable number.

2679489 is a deficient number, since it is larger than the sum of its proper divisors (1487583).

2679489 is a wasteful number, since it uses less digits than its factorization.

2679489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2679489 is about 1636.9144754690. The cubic root of 2679489 is about 138.8941623124.

Subtracting from 2679489 its product of digits (217728), we obtain a square (2461761 = 1569²).

The spelling of 2679489 in words is "two million, six hundred seventy-nine thousand, four hundred eighty-nine".