3997773 has 24 divisors (see below), whose sum is σ = 6359808. Its totient is φ = 2404512.

The previous prime is 3997769. The next prime is 3997801. The reversal of 3997773 is 3777993.

It is not a de Polignac number, because 3997773 - 2² = 3997769 is a prime.

3997773 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5136 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (264992).

Almost surely, 2^3997773 is an apocalyptic number.

It is an amenable number.

3997773 is a deficient number, since it is larger than the sum of its proper divisors (2362035).

3997773 is a wasteful number, since it uses less digits than its factorization.

3997773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 790 counting only the distinct ones).

The product of its digits is 250047, while the sum is 45.

The square root of 3997773 is about 1999.4431724858. The cubic root of 3997773 is about 158.7106402101.

The spelling of 3997773 in words is "three million, nine hundred ninety-seven thousand, seven hundred seventy-three".