1896666 has 16 divisors (see below), whose sum is σ = 3810144. Its totient is φ = 629424.

The previous prime is 1896659. The next prime is 1896667. The reversal of 1896666 is 6666981.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1896667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (238134).

2^1896666 is an apocalyptic number.

1896666 is an abundant number, since it is smaller than the sum of its proper divisors (1913478).

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

1896666 is a wasteful number, since it uses less digits than its factorization.

1896666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405.

The product of its digits is 93312, while the sum is 42.

The square root of 1896666 is about 1377.1949753031. The cubic root of 1896666 is about 123.7837455160.

The spelling of 1896666 in words is "one million, eight hundred ninety-six thousand, six hundred sixty-six".