2856951 has 14 divisors (see below), whose sum is σ = 4284560. Its totient is φ = 1904148.

The previous prime is 2856923. The next prime is 2856961. The reversal of 2856951 is 1596582.

It is a happy number.

It is not a de Polignac number, because 2856951 - 2⁷ = 2856823 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 (2856961) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1231 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (306040).

2^2856951 is an apocalyptic number.

2856951 is a deficient number, since it is larger than the sum of its proper divisors (1427609).

2856951 is an frugal number, since it uses more digits than its factorization.

2856951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3922 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 2856951 is about 1690.2517563961. The cubic root of 2856951 is about 141.8951649681.

The spelling of 2856951 in words is "two million, eight hundred fifty-six thousand, nine hundred fifty-one".