2811272 has 16 divisors (see below), whose sum is σ = 5314560. Its totient is φ = 1394064.

The previous prime is 2811269. The next prime is 2811283. The reversal of 2811272 is 2721182.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (332160).

2^2811272 is an apocalyptic number.

It is an amenable number.

2811272 is a deficient number, since it is larger than the sum of its proper divisors (2503288).

2811272 is a wasteful number, since it uses less digits than its factorization.

2811272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2896 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 2811272 is about 1676.6848242887. The cubic root of 2811272 is about 141.1348574794.

The spelling of 2811272 in words is "two million, eight hundred eleven thousand, two hundred seventy-two".