2629986 has 16 divisors (see below), whose sum is σ = 5388768. Its totient is φ = 855200.

The previous prime is 2629973. The next prime is 2630041. The reversal of 2629986 is 6899262.

It is a d-powerful number, because it can be written as 2 + 6 + 2²¹ + 9² + 9⁶ + 8 + 6⁴ .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5100 + ... + 5591.

It is an arithmetic number, because the mean of its divisors is an integer number (336798).

2^2629986 is an apocalyptic number.

2629986 is an abundant number, since it is smaller than the sum of its proper divisors (2758782).

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

2629986 is a wasteful number, since it uses less digits than its factorization.

2629986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737.

The product of its digits is 93312, while the sum is 42.

The square root of 2629986 is about 1621.7231576320. The cubic root of 2629986 is about 138.0334932356.

The spelling of 2629986 in words is "two million, six hundred twenty-nine thousand, nine hundred eighty-six".