2992091 has 4 divisors (see below), whose sum is σ = 3025800. Its totient is φ = 2958384.

The previous prime is 2992081. The next prime is 2992097. The reversal of 2992091 is 1902992.

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 2992091 - 2¹⁰ = 2991067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2992097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16721 + ... + 16898.

It is an arithmetic number, because the mean of its divisors is an integer number (756450).

2^2992091 is an apocalyptic number.

2992091 is a deficient number, since it is larger than the sum of its proper divisors (33709).

2992091 is an equidigital number, since it uses as much as digits as its factorization.

2992091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33708.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 2992091 is about 1729.7661691685. The cubic root of 2992091 is about 144.0981038023.

The spelling of 2992091 in words is "two million, nine hundred ninety-two thousand, ninety-one".