1966488 has 16 divisors (see below), whose sum is σ = 4916280. Its totient is φ = 655488.

The previous prime is 1966463. The next prime is 1966493. The reversal of 1966488 is 8846691.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40945 + ... + 40992.

2^1966488 is an apocalyptic number.

It is an amenable number.

1966488 is an abundant number, since it is smaller than the sum of its proper divisors (2949792).

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

1966488 is a wasteful number, since it uses less digits than its factorization.

1966488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81946 (or 81942 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1966488 is about 1402.3152284704. The cubic root of 1966488 is about 125.2844296407.

The spelling of 1966488 in words is "one million, nine hundred sixty-six thousand, four hundred eighty-eight".