2881972 has 12 divisors (see below), whose sum is σ = 5166756. Its totient is φ = 1405760.

The previous prime is 2881951. The next prime is 2882021. The reversal of 2881972 is 2791882.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 1948816 = 966^2 + 1396^2 .

It is a congruent number.

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, 8623 + ... + 8950.

It is an arithmetic number, because the mean of its divisors is an integer number (430563).

2^2881972 is an apocalyptic number.

It is an amenable number.

2881972 is a deficient number, since it is larger than the sum of its proper divisors (2284784).

2881972 is a wasteful number, since it uses less digits than its factorization.

2881972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17618 (or 17616 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 2881972 is about 1697.6371814967. The cubic root of 2881972 is about 142.3081978892.

The spelling of 2881972 in words is "two million, eight hundred eighty-one thousand, nine hundred seventy-two".