2859957 has 6 divisors (see below), whose sum is σ = 4131062. Its totient is φ = 1906632.

The previous prime is 2859949. The next prime is 2859971. The reversal of 2859957 is 7599582.

It is a happy number.

2859957 is a `hidden beast` number, since 2 + 8 + 599 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 938961 = 1386^2 + 969^2 .

It is not a de Polignac number, because 2859957 - 2³ = 2859949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158878 + ... + 158895.

2^2859957 is an apocalyptic number.

It is an amenable number.

2859957 is a deficient number, since it is larger than the sum of its proper divisors (1271105).

2859957 is a wasteful number, since it uses less digits than its factorization.

2859957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317779 (or 317776 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 2859957 is about 1691.1407392645. The cubic root of 2859957 is about 141.9449135003.

The spelling of 2859957 in words is "two million, eight hundred fifty-nine thousand, nine hundred fifty-seven".