2840971 has 12 divisors (see below), whose sum is σ = 3396288. Its totient is φ = 2367792.

The previous prime is 2840951. The next prime is 2840987. The reversal of 2840971 is 1790482.

It is not a de Polignac number, because 2840971 - 2⁵ = 2840939 is a prime.

It is a super-2 number, since 2×2840971² = 16142232445682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2840911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1030 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (283024).

2^2840971 is an apocalyptic number.

2840971 is a deficient number, since it is larger than the sum of its proper divisors (555317).

2840971 is a wasteful number, since it uses less digits than its factorization.

2840971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2840971 is about 1685.5180212623. The cubic root of 2840971 is about 141.6301125219.

The spelling of 2840971 in words is "two million, eight hundred forty thousand, nine hundred seventy-one".