2190446 has 4 divisors (see below), whose sum is σ = 3285672. Its totient is φ = 1095222.

The previous prime is 2190439. The next prime is 2190469. The reversal of 2190446 is 6440912.

2190446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 547610 + ... + 547613.

It is an arithmetic number, because the mean of its divisors is an integer number (821418).

2^2190446 is an apocalyptic number.

2190446 is a deficient number, since it is larger than the sum of its proper divisors (1095226).

2190446 is a wasteful number, since it uses less digits than its factorization.

2190446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095225.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2190446 is about 1480.0155404590. The cubic root of 2190446 is about 129.8706010250.

The spelling of 2190446 in words is "two million, one hundred ninety thousand, four hundred forty-six".