3958775 has 6 divisors (see below), whose sum is σ = 4908912. Its totient is φ = 3167000.

The previous prime is 3958753. The next prime is 3958777. The reversal of 3958775 is 5778593.

It is a happy number.

It is not a de Polignac number, because 3958775 - 2²⁰ = 2910199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79151 + ... + 79200.

It is an arithmetic number, because the mean of its divisors is an integer number (818152).

Almost surely, 2^3958775 is an apocalyptic number.

3958775 is a deficient number, since it is larger than the sum of its proper divisors (950137).

3958775 is a wasteful number, since it uses less digits than its factorization.

3958775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158361 (or 158356 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 3958775 is about 1989.6670575752. The cubic root of 3958775 is about 158.1928825280.

The spelling of 3958775 in words is "three million, nine hundred fifty-eight thousand, seven hundred seventy-five".