2190814 has 8 divisors (see below), whose sum is σ = 3459240. Its totient is φ = 1037736.

The previous prime is 2190809. The next prime is 2190817. The reversal of 2190814 is 4180912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28789 + ... + 28864.

It is an arithmetic number, because the mean of its divisors is an integer number (432405).

2^2190814 is an apocalyptic number.

2190814 is a deficient number, since it is larger than the sum of its proper divisors (1268426).

2190814 is a wasteful number, since it uses less digits than its factorization.

2190814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57674.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2190814 is about 1480.1398582566. The cubic root of 2190814 is about 129.8778734717.

The spelling of 2190814 in words is "two million, one hundred ninety thousand, eight hundred fourteen".