2991795 has 8 divisors (see below), whose sum is σ = 4786896. Its totient is φ = 1595616.

The previous prime is 2991773. The next prime is 2991803. The reversal of 2991795 is 5971992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2991795 - 2⁶ = 2991731 is a prime.

It is a zygodrome in base 9.

It is an unprimeable number.

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, 99712 + ... + 99741.

It is an arithmetic number, because the mean of its divisors is an integer number (598362).

2^2991795 is an apocalyptic number.

2991795 is a deficient number, since it is larger than the sum of its proper divisors (1795101).

2991795 is a wasteful number, since it uses less digits than its factorization.

2991795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199461.

The product of its digits is 51030, while the sum is 42.

The square root of 2991795 is about 1729.6806063548. The cubic root of 2991795 is about 144.0933518919.

The spelling of 2991795 in words is "two million, nine hundred ninety-one thousand, seven hundred ninety-five".