2940891 has 8 divisors (see below), whose sum is σ = 3976704. Its totient is φ = 1932840.

The previous prime is 2940887. The next prime is 2940893. The reversal of 2940891 is 1980492.

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

It is not a de Polignac number, because 2940891 - 2² = 2940887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2940893) 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, 6691 + ... + 7116.

It is an arithmetic number, because the mean of its divisors is an integer number (497088).

2^2940891 is an apocalyptic number.

2940891 is a deficient number, since it is larger than the sum of its proper divisors (1035813).

2940891 is a wasteful number, since it uses less digits than its factorization.

2940891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13881.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2940891 is about 1714.9026211421. The cubic root of 2940891 is about 143.2714455495.

The spelling of 2940891 in words is "two million, nine hundred forty thousand, eight hundred ninety-one".