2190956 has 12 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 1060080.

The previous prime is 2190901. The next prime is 2190959. The reversal of 2190956 is 6590912.

2190956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2190959) 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, 8711 + ... + 8958.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

2^2190956 is an apocalyptic number.

It is an amenable number.

2190956 is a deficient number, since it is larger than the sum of its proper divisors (1767124).

2190956 is a wasteful number, since it uses less digits than its factorization.

2190956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17704 (or 17702 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2190956 is about 1480.1878259194. The cubic root of 2190956 is about 129.8806794698.

The spelling of 2190956 in words is "two million, one hundred ninety thousand, nine hundred fifty-six".