2874891 has 8 divisors (see below), whose sum is σ = 3841024. Its totient is φ = 1912680.

The previous prime is 2874881. The next prime is 2874901. The reversal of 2874891 is 1984782.

It is an interprime number because it is at equal distance from previous prime (2874881) and next prime (2874901).

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

It is a de Polignac number, because none of the positive numbers 2^k-2874891 is a prime.

It is a Duffinian number.

2874891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874811) 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, 2406 + ... + 3396.

It is an arithmetic number, because the mean of its divisors is an integer number (480128).

2^2874891 is an apocalyptic number.

2874891 is a deficient number, since it is larger than the sum of its proper divisors (966133).

2874891 is an equidigital number, since it uses as much as digits as its factorization.

2874891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its digits is 32256, while the sum is 39.

The square root of 2874891 is about 1695.5503531302. The cubic root of 2874891 is about 142.1915519757.

The spelling of 2874891 in words is "two million, eight hundred seventy-four thousand, eight hundred ninety-one".