2892791 has 4 divisors (see below), whose sum is σ = 3155784. Its totient is φ = 2629800.

The previous prime is 2892787. The next prime is 2892797. The reversal of 2892791 is 1972982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2892791 - 2² = 2892787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2892797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131480 + ... + 131501.

It is an arithmetic number, because the mean of its divisors is an integer number (788946).

2^2892791 is an apocalyptic number.

2892791 is a deficient number, since it is larger than the sum of its proper divisors (262993).

2892791 is a wasteful number, since it uses less digits than its factorization.

2892791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262992.

The product of its digits is 18144, while the sum is 38.

The square root of 2892791 is about 1700.8206842580. The cubic root of 2892791 is about 142.4860517793.

The spelling of 2892791 in words is "two million, eight hundred ninety-two thousand, seven hundred ninety-one".