2122986 has 32 divisors (see below), whose sum is σ = 4454208. Its totient is φ = 673920.

The previous prime is 2122979. The next prime is 2123027. The reversal of 2122986 is 6892212.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16141 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (139194).

2^2122986 is an apocalyptic number.

2122986 is an abundant number, since it is smaller than the sum of its proper divisors (2331222).

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

2122986 is a wasteful number, since it uses less digits than its factorization.

2122986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 3456, while the sum is 30.

The square root of 2122986 is about 1457.0470136547. The cubic root of 2122986 is about 128.5234505290.

The spelling of 2122986 in words is "two million, one hundred twenty-two thousand, nine hundred eighty-six".