2479791 has 16 divisors (see below), whose sum is σ = 3499776. Its totient is φ = 1558656.

The previous prime is 2479787. The next prime is 2479801. The reversal of 2479791 is 1979742.

It is not a de Polignac number, because 2479791 - 2² = 2479787 is a prime.

It is a super-2 number, since 2×2479791² = 12298726807362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479751) 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, 5511 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

2^2479791 is an apocalyptic number.

2479791 is a deficient number, since it is larger than the sum of its proper divisors (1019985).

2479791 is a wasteful number, since it uses less digits than its factorization.

2479791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its digits is 31752, while the sum is 39.

The square root of 2479791 is about 1574.7352158379. The cubic root of 2479791 is about 135.3541865402.

The spelling of 2479791 in words is "two million, four hundred seventy-nine thousand, seven hundred ninety-one".