2856774 has 16 divisors (see below), whose sum is σ = 5898240. Its totient is φ = 921480.

The previous prime is 2856773. The next prime is 2856779. The reversal of 2856774 is 4776582.

It is a super-2 number, since 2×2856774² = 16322315374152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856773) 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, 7494 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (368640).

2^2856774 is an apocalyptic number.

2856774 is an abundant number, since it is smaller than the sum of its proper divisors (3041466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2856774 is a wasteful number, since it uses less digits than its factorization.

2856774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395.

The product of its digits is 94080, while the sum is 39.

The square root of 2856774 is about 1690.1993965210. The cubic root of 2856774 is about 141.8922345756.

The spelling of 2856774 in words is "two million, eight hundred fifty-six thousand, seven hundred seventy-four".