2810972 has 6 divisors (see below), whose sum is σ = 4919208. Its totient is φ = 1405484.

The previous prime is 2810959. The next prime is 2810981. The reversal of 2810972 is 2790182.

It is a happy number.

2810972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351368 + ... + 351375.

It is an arithmetic number, because the mean of its divisors is an integer number (819868).

2^2810972 is an apocalyptic number.

It is an amenable number.

2810972 is a deficient number, since it is larger than the sum of its proper divisors (2108236).

2810972 is a wasteful number, since it uses less digits than its factorization.

2810972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702747 (or 702745 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2810972 is about 1676.5953596500. The cubic root of 2810972 is about 141.1298369805.

The spelling of 2810972 in words is "two million, eight hundred ten thousand, nine hundred seventy-two".