2190234 has 8 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 730076.

The previous prime is 2190233. The next prime is 2190269. The reversal of 2190234 is 4320912.

2190234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2190234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2190234.

It is not an unprimeable number, because it can be changed into a prime (2190233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182514 + ... + 182525.

It is an arithmetic number, because the mean of its divisors is an integer number (547560).

2^2190234 is an apocalyptic number.

2190234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2190234 is a wasteful number, since it uses less digits than its factorization.

2190234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365044.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2190234 is about 1479.9439178563. The cubic root of 2190234 is about 129.8664110936.

The spelling of 2190234 in words is "two million, one hundred ninety thousand, two hundred thirty-four".