2379857 has 2 divisors, whose sum is σ = 2379858. Its totient is φ = 2379856.

The previous prime is 2379851. The next prime is 2379899. The reversal of 2379857 is 7589732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 309136 = 1439^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379857 - 2¹² = 2375761 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3¹¹ + 7³ + 9 + 8³ + 5⁹ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2379851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189928 + 1189929.

It is an arithmetic number, because the mean of its divisors is an integer number (1189929).

2^2379857 is an apocalyptic number.

It is an amenable number.

2379857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2379857 is an equidigital number, since it uses as much as digits as its factorization.

2379857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 2379857 is about 1542.6785147917. The cubic root of 2379857 is about 133.5109708706.

The spelling of 2379857 in words is "two million, three hundred seventy-nine thousand, eight hundred fifty-seven".