2457979 has 8 divisors (see below), whose sum is σ = 2619648. Its totient is φ = 2298240.

The previous prime is 2457971. The next prime is 2457997. The reversal of 2457979 is 9797542.

2457979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2457979 - 2³ = 2457971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2457971) 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 7 ways as a sum of consecutive naturals, for example, 2869 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (327456).

2^2457979 is an apocalyptic number.

2457979 is a deficient number, since it is larger than the sum of its proper divisors (161669).

2457979 is a wasteful number, since it uses less digits than its factorization.

2457979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its digits is 158760, while the sum is 43.

The square root of 2457979 is about 1567.7943104885. The cubic root of 2457979 is about 134.9561631790.

The spelling of 2457979 in words is "two million, four hundred fifty-seven thousand, nine hundred seventy-nine".