2487979 has 16 divisors (see below), whose sum is σ = 2866752. Its totient is φ = 2141568.

The previous prime is 2487977. The next prime is 2487983. The reversal of 2487979 is 9797842.

It is not a de Polignac number, because 2487979 - 2¹ = 2487977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2487977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15769 + ... + 15925.

It is an arithmetic number, because the mean of its divisors is an integer number (179172).

2^2487979 is an apocalyptic number.

2487979 is a deficient number, since it is larger than the sum of its proper divisors (378773).

2487979 is a wasteful number, since it uses less digits than its factorization.

2487979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its digits is 254016, while the sum is 46.

The square root of 2487979 is about 1577.3328754578. The cubic root of 2487979 is about 135.5029978050.

The spelling of 2487979 in words is "two million, four hundred eighty-seven thousand, nine hundred seventy-nine".