2479995 has 24 divisors (see below), whose sum is σ = 4913376. Its totient is φ = 1133568.

The previous prime is 2479991. The next prime is 2480003. The reversal of 2479995 is 5999742.

It is not a de Polignac number, because 2479995 - 2² = 2479991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2479995.

It is not an unprimeable number, because it can be changed into a prime (2479991) 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, 3622 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (204724).

2^2479995 is an apocalyptic number.

2479995 is a deficient number, since it is larger than the sum of its proper divisors (2433381).

2479995 is a wasteful number, since it uses less digits than its factorization.

2479995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891 (or 7888 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2479995 is about 1574.7999873000. The cubic root of 2479995 is about 135.3578980757.

It can be divided in two parts, 247999 and 5, that added together give a square (248004 = 498²).

The spelling of 2479995 in words is "two million, four hundred seventy-nine thousand, nine hundred ninety-five".