2771992 has 16 divisors (see below), whose sum is σ = 5232960. Its totient is φ = 1376544.

The previous prime is 2771971. The next prime is 2771999. The reversal of 2771992 is 2991772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771999) 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, 153 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (327060).

2^2771992 is an apocalyptic number.

It is an amenable number.

2771992 is a deficient number, since it is larger than the sum of its proper divisors (2460968).

2771992 is a wasteful number, since it uses less digits than its factorization.

2771992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2366 counting only the distinct ones).

The product of its digits is 15876, while the sum is 37.

The square root of 2771992 is about 1664.9300285598. The cubic root of 2771992 is about 140.4744447638.

The spelling of 2771992 in words is "two million, seven hundred seventy-one thousand, nine hundred ninety-two".