2899129 has 4 divisors (see below), whose sum is σ = 3069684. Its totient is φ = 2728576.

The previous prime is 2899121. The next prime is 2899133. The reversal of 2899129 is 9219982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 1071225 = 1352^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2899129 - 2³ = 2899121 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2899091 and 2899100.

It is not an unprimeable number, because it can be changed into a prime (2899121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85252 + ... + 85285.

It is an arithmetic number, because the mean of its divisors is an integer number (767421).

2^2899129 is an apocalyptic number.

It is an amenable number.

2899129 is a deficient number, since it is larger than the sum of its proper divisors (170555).

2899129 is a wasteful number, since it uses less digits than its factorization.

2899129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170554.

The product of its digits is 23328, while the sum is 40.

The square root of 2899129 is about 1702.6828829820. The cubic root of 2899129 is about 142.5900364619.

The spelling of 2899129 in words is "two million, eight hundred ninety-nine thousand, one hundred twenty-nine".