2457879 has 8 divisors (see below), whose sum is σ = 3316992. Its totient is φ = 1618680.

The previous prime is 2457869. The next prime is 2457893. The reversal of 2457879 is 9787542.

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

It is not a de Polignac number, because 2457879 - 2¹² = 2453783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2457879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4687 + ... + 5184.

It is an arithmetic number, because the mean of its divisors is an integer number (414624).

2^2457879 is an apocalyptic number.

2457879 is a deficient number, since it is larger than the sum of its proper divisors (859113).

2457879 is an equidigital number, since it uses as much as digits as its factorization.

2457879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957.

The product of its digits is 141120, while the sum is 42.

The square root of 2457879 is about 1567.7624182254. The cubic root of 2457879 is about 134.9543329763.

The spelling of 2457879 in words is "two million, four hundred fifty-seven thousand, eight hundred seventy-nine".