1966632 has 16 divisors (see below), whose sum is σ = 4916640. Its totient is φ = 655536.

The previous prime is 1966619. The next prime is 1966663. The reversal of 1966632 is 2366691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1966593 and 1966602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40948 + ... + 40995.

It is an arithmetic number, because the mean of its divisors is an integer number (307290).

2^1966632 is an apocalyptic number.

1966632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1966632 is an abundant number, since it is smaller than the sum of its proper divisors (2950008).

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

1966632 is a wasteful number, since it uses less digits than its factorization.

1966632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81952 (or 81948 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1966632 is about 1402.3665711931. The cubic root of 1966632 is about 125.2874876333.

The spelling of 1966632 in words is "one million, nine hundred sixty-six thousand, six hundred thirty-two".