2991095 has 4 divisors (see below), whose sum is σ = 3589320. Its totient is φ = 2392872.

The previous prime is 2991091. The next prime is 2991103. The reversal of 2991095 is 5901992.

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 2991095 - 2² = 2991091 is a prime.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299105 + ... + 299114.

It is an arithmetic number, because the mean of its divisors is an integer number (897330).

2^2991095 is an apocalyptic number.

2991095 is a deficient number, since it is larger than the sum of its proper divisors (598225).

2991095 is an equidigital number, since it uses as much as digits as its factorization.

2991095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598224.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 2991095 is about 1729.4782450207. The cubic root of 2991095 is about 144.0821130187.

The spelling of 2991095 in words is "two million, nine hundred ninety-one thousand, ninety-five".