2162990 has 16 divisors (see below), whose sum is σ = 3948048. Its totient is φ = 853056.

The previous prime is 2162977. The next prime is 2163011. The reversal of 2162990 is 992612.

It is a congruent 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, 752 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (246753).

2^2162990 is an apocalyptic number.

2162990 is a deficient number, since it is larger than the sum of its proper divisors (1785058).

2162990 is a wasteful number, since it uses less digits than its factorization.

2162990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2162990 is about 1470.7107125468. The cubic root of 2162990 is about 129.3256998246.

The spelling of 2162990 in words is "two million, one hundred sixty-two thousand, nine hundred ninety".