3939773 has 2 divisors, whose sum is σ = 3939774. Its totient is φ = 3939772.

The previous prime is 3939769. The next prime is 3939779. The reversal of 3939773 is 3779393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 11449 = 1982^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 3939773 - 2² = 3939769 is a prime.

It is a super-2 number, since 2×3939773² = 31043622583058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3939773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3939779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969886 + 1969887.

It is an arithmetic number, because the mean of its divisors is an integer number (1969887).

Almost surely, 2^3939773 is an apocalyptic number.

It is an amenable number.

3939773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939773 is an equidigital number, since it uses as much as digits as its factorization.

3939773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107163, while the sum is 41.

The square root of 3939773 is about 1984.8861428304. The cubic root of 3939773 is about 157.9393694623.

The spelling of 3939773 in words is "three million, nine hundred thirty-nine thousand, seven hundred seventy-three".