2479887 has 6 divisors (see below), whose sum is σ = 3582072. Its totient is φ = 1653252.

The previous prime is 2479879. The next prime is 2479901. The reversal of 2479887 is 7889742.

It is not a de Polignac number, because 2479887 - 2³ = 2479879 is a prime.

It is a super-2 number, since 2×2479887² = 12299679065538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137763 + ... + 137780.

It is an arithmetic number, because the mean of its divisors is an integer number (597012).

2^2479887 is an apocalyptic number.

2479887 is a deficient number, since it is larger than the sum of its proper divisors (1102185).

2479887 is a wasteful number, since it uses less digits than its factorization.

2479887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275549 (or 275546 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2479887 is about 1574.7656968578. The cubic root of 2479887 is about 135.3559331705.

The spelling of 2479887 in words is "two million, four hundred seventy-nine thousand, eight hundred eighty-seven".