2479679 has 2 divisors, whose sum is σ = 2479680. Its totient is φ = 2479678.

The previous prime is 2479669. The next prime is 2479691. The reversal of 2479679 is 9769742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2479679 - 2⁴ = 2479663 is a prime.

It is a super-2 number, since 2×2479679² = 12297615886082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2479619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239839 + 1239840.

It is an arithmetic number, because the mean of its divisors is an integer number (1239840).

2^2479679 is an apocalyptic number.

2479679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479679 is an equidigital number, since it uses as much as digits as its factorization.

2479679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 2479679 is about 1574.6996539023. The cubic root of 2479679 is about 135.3521487479.

The spelling of 2479679 in words is "two million, four hundred seventy-nine thousand, six hundred seventy-nine".