2792881 has 16 divisors (see below), whose sum is σ = 3515904. Its totient is φ = 2159424.

The previous prime is 2792863. The next prime is 2792891. The reversal of 2792881 is 1882972.

It is a cyclic number.

It is not a de Polignac number, because 2792881 - 2¹³ = 2784689 is a prime.

It is a super-2 number, since 2×2792881² = 15600368560322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2792881.

It is not an unprimeable number, because it can be changed into a prime (2792831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3951 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (219744).

2^2792881 is an apocalyptic number.

It is an amenable number.

2792881 is a deficient number, since it is larger than the sum of its proper divisors (723023).

2792881 is a wasteful number, since it uses less digits than its factorization.

2792881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

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

The square root of 2792881 is about 1671.1914911224. The cubic root of 2792881 is about 140.8264215492.

Subtracting from 2792881 its reverse (1882972), we obtain a palindrome (909909).

It can be divided in two parts, 279 and 2881, that added together give a triangular number (3160 = T₇₉).

The spelling of 2792881 in words is "two million, seven hundred ninety-two thousand, eight hundred eighty-one".