1662966 has 12 divisors (see below), whose sum is σ = 3603132. Its totient is φ = 554316.

The previous prime is 1662961. The next prime is 1662977. The reversal of 1662966 is 6692661.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1662966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46176 + ... + 46211.

It is an arithmetic number, because the mean of its divisors is an integer number (300261).

2^1662966 is an apocalyptic number.

1662966 is an abundant number, since it is smaller than the sum of its proper divisors (1940166).

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

1662966 is a wasteful number, since it uses less digits than its factorization.

1662966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92395 (or 92392 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1662966 is about 1289.5603902106. The cubic root of 1662966 is about 118.4752926109.

It can be divided in two parts, 1662 and 966, that added together give a triangular number (2628 = T₇₂).

The spelling of 1662966 in words is "one million, six hundred sixty-two thousand, nine hundred sixty-six".