2946891 has 8 divisors (see below), whose sum is σ = 4056064. Its totient is φ = 1901160.

The previous prime is 2946883. The next prime is 2946901. The reversal of 2946891 is 1986492.

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

It is not a de Polignac number, because 2946891 - 2³ = 2946883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2946821) 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, 15751 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (507008).

2^2946891 is an apocalyptic number.

2946891 is a deficient number, since it is larger than the sum of its proper divisors (1109173).

2946891 is a wasteful number, since it uses less digits than its factorization.

2946891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31721.

The product of its digits is 31104, while the sum is 39.

The square root of 2946891 is about 1716.6511002530. The cubic root of 2946891 is about 143.3688134029.

The spelling of 2946891 in words is "two million, nine hundred forty-six thousand, eight hundred ninety-one".