2899971 has 24 divisors (see below), whose sum is σ = 4455360. Its totient is φ = 1814400.

The previous prime is 2899943. The next prime is 2899991. The reversal of 2899971 is 1799982.

It is not a de Polignac number, because 2899971 - 2⁶ = 2899907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2899921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10566 + ... + 10836.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

2^2899971 is an apocalyptic number.

2899971 is a deficient number, since it is larger than the sum of its proper divisors (1555389).

2899971 is a wasteful number, since it uses less digits than its factorization.

2899971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 344 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 2899971 is about 1702.9301218782. The cubic root of 2899971 is about 142.6038393649.

It can be divided in two parts, 28 and 99971, that added together give a palindrome (99999).

The spelling of 2899971 in words is "two million, eight hundred ninety-nine thousand, nine hundred seventy-one".