2851966 has 16 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 1307808.

The previous prime is 2851951. The next prime is 2851973. The reversal of 2851966 is 6691582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715 + ... + 6193.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

2^2851966 is an apocalyptic number.

2851966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2851966 is a deficient number, since it is larger than the sum of its proper divisors (1784834).

2851966 is a wasteful number, since it uses less digits than its factorization.

2851966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its digits is 25920, while the sum is 37.

The square root of 2851966 is about 1688.7764801773. The cubic root of 2851966 is about 141.8125875157.

The spelling of 2851966 in words is "two million, eight hundred fifty-one thousand, nine hundred sixty-six".