2991092 has 24 divisors (see below), whose sum is σ = 5704776. Its totient is φ = 1363968.

The previous prime is 2991091. The next prime is 2991103. The reversal of 2991092 is 2901992.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 2835856 = 394^2 + 1684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991091) 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 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (237699).

2^2991092 is an apocalyptic number.

It is an amenable number.

2991092 is a deficient number, since it is larger than the sum of its proper divisors (2713684).

2991092 is a wasteful number, since it uses less digits than its factorization.

2991092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

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

The square root of 2991092 is about 1729.4773777069. The cubic root of 2991092 is about 144.0820648483.

The spelling of 2991092 in words is "two million, nine hundred ninety-one thousand, ninety-two".