2991135 has 32 divisors (see below), whose sum is σ = 5571072. Its totient is φ = 1342080.

The previous prime is 2991103. The next prime is 2991139. The reversal of 2991135 is 5311992.

It is not a de Polignac number, because 2991135 - 2⁵ = 2991103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6172 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (174096).

2^2991135 is an apocalyptic number.

2991135 is a deficient number, since it is larger than the sum of its proper divisors (2579937).

2991135 is a wasteful number, since it uses less digits than its factorization.

2991135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its digits is 2430, while the sum is 30.

The square root of 2991135 is about 1729.4898091634. The cubic root of 2991135 is about 144.0827552872.

The spelling of 2991135 in words is "two million, nine hundred ninety-one thousand, one hundred thirty-five".