2489679 has 12 divisors (see below), whose sum is σ = 3720600. Its totient is φ = 1602384.

The previous prime is 2489671. The next prime is 2489687. The reversal of 2489679 is 9769842.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2489671) and next prime (2489687).

It is not a de Polignac number, because 2489679 - 2³ = 2489671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4509 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (310050).

2^2489679 is an apocalyptic number.

2489679 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2489679 is a deficient number, since it is larger than the sum of its proper divisors (1230921).

2489679 is a wasteful number, since it uses less digits than its factorization.

2489679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574 (or 9571 counting only the distinct ones).

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

The square root of 2489679 is about 1577.8716677854. The cubic root of 2489679 is about 135.5338531900.

The spelling of 2489679 in words is "two million, four hundred eighty-nine thousand, six hundred seventy-nine".