2855957 has 4 divisors (see below), whose sum is σ = 3075660. Its totient is φ = 2636256.

The previous prime is 2855953. The next prime is 2855989. The reversal of 2855957 is 7595582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 1110916 = 1321^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855957 - 2² = 2855953 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 (2855953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109832 + ... + 109857.

It is an arithmetic number, because the mean of its divisors is an integer number (768915).

2^2855957 is an apocalyptic number.

It is an amenable number.

2855957 is a deficient number, since it is larger than the sum of its proper divisors (219703).

2855957 is a wasteful number, since it uses less digits than its factorization.

2855957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219702.

The product of its digits is 126000, while the sum is 41.

The square root of 2855957 is about 1689.9576917781. The cubic root of 2855957 is about 141.8787068449.

The spelling of 2855957 in words is "two million, eight hundred fifty-five thousand, nine hundred fifty-seven".