3973777 has 4 divisors (see below), whose sum is σ = 3998320. Its totient is φ = 3949236.

The previous prime is 3973757. The next prime is 3973787. The reversal of 3973777 is 7773793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3973777 - 2⁷ = 3973649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12027 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (999580).

Almost surely, 2^3973777 is an apocalyptic number.

It is an amenable number.

3973777 is a deficient number, since it is larger than the sum of its proper divisors (24543).

3973777 is a wasteful number, since it uses less digits than its factorization.

3973777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24542.

The product of its digits is 194481, while the sum is 43.

The square root of 3973777 is about 1993.4334701715. The cubic root of 3973777 is about 158.3924575746.

The spelling of 3973777 in words is "three million, nine hundred seventy-three thousand, seven hundred seventy-seven".