2946991 has 8 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 2871000.

The previous prime is 2946973. The next prime is 2947027. The reversal of 2946991 is 1996492.

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

It is a cyclic number.

It is not a de Polignac number, because 2946991 - 2⁷ = 2946863 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2946901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11616 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

2^2946991 is an apocalyptic number.

2946991 is a deficient number, since it is larger than the sum of its proper divisors (77009).

2946991 is a wasteful number, since it uses less digits than its factorization.

2946991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 34992, while the sum is 40.

The square root of 2946991 is about 1716.6802264837. The cubic root of 2946991 is about 143.3704350802.

The spelling of 2946991 in words is "two million, nine hundred forty-six thousand, nine hundred ninety-one".