2891092 has 12 divisors (see below), whose sum is σ = 5129236. Its totient is φ = 1425600.

The previous prime is 2891087. The next prime is 2891093. The reversal of 2891092 is 2901982.

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 568516 = 1524^2 + 754^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891093) 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, 4659 + ... + 5242.

2^2891092 is an apocalyptic number.

It is an amenable number.

2891092 is a deficient number, since it is larger than the sum of its proper divisors (2238144).

2891092 is a wasteful number, since it uses less digits than its factorization.

2891092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978 (or 9976 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2891092 is about 1700.3211461368. The cubic root of 2891092 is about 142.4581512488.

The spelling of 2891092 in words is "two million, eight hundred ninety-one thousand, ninety-two".