2479491 has 20 divisors (see below), whose sum is σ = 4234032. Its totient is φ = 1416528.

The previous prime is 2479489. The next prime is 2479493. The reversal of 2479491 is 1949742.

2479491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2479489) and next prime (2479493).

It is not a de Polignac number, because 2479491 - 2¹ = 2479489 is a prime.

It is a super-2 number, since 2×2479491² = 12295751238162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2479493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1620 + ... + 2753.

2^2479491 is an apocalyptic number.

2479491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2479491 is a deficient number, since it is larger than the sum of its proper divisors (1754541).

2479491 is an equidigital number, since it uses as much as digits as its factorization.

2479491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392 (or 4383 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2479491 is about 1574.6399588477. The cubic root of 2479491 is about 135.3487280300.

The spelling of 2479491 in words is "two million, four hundred seventy-nine thousand, four hundred ninety-one".