2881772 has 12 divisors (see below), whose sum is σ = 5339880. Its totient is φ = 1356096.

The previous prime is 2881733. The next prime is 2881783. The reversal of 2881772 is 2771882.

2881772 = T₄₇₈ + T₄₇₉ + ... + T₅₀₁.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 21122 + ... + 21257.

It is an arithmetic number, because the mean of its divisors is an integer number (444990).

2^2881772 is an apocalyptic number.

It is an amenable number.

2881772 is a deficient number, since it is larger than the sum of its proper divisors (2458108).

2881772 is a wasteful number, since it uses less digits than its factorization.

2881772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42400 (or 42398 counting only the distinct ones).

The product of its digits is 12544, while the sum is 35.

The square root of 2881772 is about 1697.5782750731. The cubic root of 2881772 is about 142.3049058959.

The spelling of 2881772 in words is "two million, eight hundred eighty-one thousand, seven hundred seventy-two".