2881971 has 6 divisors (see below), whose sum is σ = 4162860. Its totient is φ = 1921308.

The previous prime is 2881951. The next prime is 2882021. The reversal of 2881971 is 1791882.

It is not a de Polignac number, because 2881971 - 2¹⁴ = 2865587 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2881951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160101 + ... + 160118.

It is an arithmetic number, because the mean of its divisors is an integer number (693810).

2^2881971 is an apocalyptic number.

2881971 is a deficient number, since it is larger than the sum of its proper divisors (1280889).

2881971 is a wasteful number, since it uses less digits than its factorization.

2881971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320225 (or 320222 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 2881971 is about 1697.6368869696. The cubic root of 2881971 is about 142.3081814296.

The spelling of 2881971 in words is "two million, eight hundred eighty-one thousand, nine hundred seventy-one".