2899986 has 16 divisors (see below), whose sum is σ = 5957184. Its totient is φ = 940464.

The previous prime is 2899943. The next prime is 2899991. The reversal of 2899986 is 6899982.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6310 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (372324).

2^2899986 is an apocalyptic number.

2899986 is an abundant number, since it is smaller than the sum of its proper divisors (3057198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2899986 is a wasteful number, since it uses less digits than its factorization.

2899986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105.

The product of its digits is 559872, while the sum is 51.

The square root of 2899986 is about 1702.9345260461. The cubic root of 2899986 is about 142.6040852357.

The spelling of 2899986 in words is "two million, eight hundred ninety-nine thousand, nine hundred eighty-six".