3995775 has 72 divisors (see below), whose sum is σ = 8511360. Its totient is φ = 1753920.

The previous prime is 3995753. The next prime is 3995777. The reversal of 3995775 is 5775993.

It is a happy number.

It is not a de Polignac number, because 3995775 - 2⁵ = 3995743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3995775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995777) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67696 + ... + 67754.

Almost surely, 2^3995775 is an apocalyptic number.

3995775 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3995775 is an abundant number, since it is smaller than the sum of its proper divisors (4515585).

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

3995775 is a wasteful number, since it uses less digits than its factorization.

3995775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 117 counting only the distinct ones).

The product of its digits is 297675, while the sum is 45.

The square root of 3995775 is about 1998.9434709366. The cubic root of 3995775 is about 158.6841957620.

The spelling of 3995775 in words is "three million, nine hundred ninety-five thousand, seven hundred seventy-five".