1806662 has 16 divisors (see below), whose sum is σ = 3184272. Its totient is φ = 757920.

The previous prime is 1806643. The next prime is 1806683. The reversal of 1806662 is 2666081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873 + ... + 3444.

It is an arithmetic number, because the mean of its divisors is an integer number (199017).

2^1806662 is an apocalyptic number.

1806662 is a deficient number, since it is larger than the sum of its proper divisors (1377610).

1806662 is a wasteful number, since it uses less digits than its factorization.

1806662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1806662 is about 1344.1212742904. The cubic root of 1806662 is about 121.7939278485.

The spelling of 1806662 in words is "one million, eight hundred six thousand, six hundred sixty-two".