1662366 has 16 divisors (see below), whose sum is σ = 3337488. Its totient is φ = 552000.

The previous prime is 1662361. The next prime is 1662377. The reversal of 1662366 is 6632661.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (208593).

2^1662366 is an apocalyptic number.

1662366 is an abundant number, since it is smaller than the sum of its proper divisors (1675122).

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

1662366 is a wasteful number, since it uses less digits than its factorization.

1662366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 7776, while the sum is 30.

The square root of 1662366 is about 1289.3277318044. The cubic root of 1662366 is about 118.4610422241.

The spelling of 1662366 in words is "one million, six hundred sixty-two thousand, three hundred sixty-six".