1890116 has 12 divisors (see below), whose sum is σ = 3353532. Its totient is φ = 931968.

The previous prime is 1890113. The next prime is 1890121. The reversal of 1890116 is 6110981.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 1201216 = 830^2 + 1096^2 .

It is not an unprimeable number, because it can be changed into a prime (1890113) 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, 2945 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (279461).

2^1890116 is an apocalyptic number.

It is an amenable number.

1890116 is a deficient number, since it is larger than the sum of its proper divisors (1463416).

1890116 is a wasteful number, since it uses less digits than its factorization.

1890116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550 (or 6548 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1890116 is about 1374.8148966315. The cubic root of 1890116 is about 123.6410884086.

The spelling of 1890116 in words is "one million, eight hundred ninety thousand, one hundred sixteen".