2150990 has 16 divisors (see below), whose sum is σ = 4075920. Its totient is φ = 815040.

The previous prime is 2150977. The next prime is 2151001. The reversal of 2150990 is 990512.

It is a happy number.

It is a Curzon number.

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, 5471 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (254745).

2^2150990 is an apocalyptic number.

2150990 is a deficient number, since it is larger than the sum of its proper divisors (1924930).

2150990 is a wasteful number, since it uses less digits than its factorization.

2150990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 2150990 is about 1466.6253782067. The cubic root of 2150990 is about 129.0860952020.

The spelling of 2150990 in words is "two million, one hundred fifty thousand, nine hundred ninety".