2966991 has 8 divisors (see below), whose sum is σ = 3964080. Its totient is φ = 1973952.

The previous prime is 2966987. The next prime is 2967011. The reversal of 2966991 is 1996692.

It is a happy number.

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

It is not a de Polignac number, because 2966991 - 2² = 2966987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2966911) 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, 1891 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (495510).

2^2966991 is an apocalyptic number.

2966991 is a deficient number, since it is larger than the sum of its proper divisors (997089).

2966991 is a wasteful number, since it uses less digits than its factorization.

2966991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its digits is 52488, while the sum is 42.

The square root of 2966991 is about 1722.4955732889. The cubic root of 2966991 is about 143.6940359341.

Subtracting from 2966991 its reverse (1996692), we obtain a cube (970299 = 99³).

The spelling of 2966991 in words is "two million, nine hundred sixty-six thousand, nine hundred ninety-one".