1966662 has 24 divisors (see below), whose sum is σ = 4512456. Its totient is φ = 616896.

The previous prime is 1966619. The next prime is 1966663. The reversal of 1966662 is 2666691.

It is a happy number.

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 (1966663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2908 + ... + 3519.

It is an arithmetic number, because the mean of its divisors is an integer number (188019).

2^1966662 is an apocalyptic number.

1966662 is an abundant number, since it is smaller than the sum of its proper divisors (2545794).

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

1966662 is a wasteful number, since it uses less digits than its factorization.

1966662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452 (or 6449 counting only the distinct ones).

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

The square root of 1966662 is about 1402.3772673571. The cubic root of 1966662 is about 125.2881246963.

It can be divided in two parts, 1966 and 662, that added together give a triangular number (2628 = T₇₂).

The spelling of 1966662 in words is "one million, nine hundred sixty-six thousand, six hundred sixty-two".