3995745 has 32 divisors (see below), whose sum is σ = 7117824. Its totient is φ = 1900800.

The previous prime is 3995743. The next prime is 3995749. The reversal of 3995745 is 5475993.

It is not a de Polignac number, because 3995745 - 2¹ = 3995743 is a prime.

3995745 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3995697 and 3995706.

It is not an unprimeable number, because it can be changed into a prime (3995743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5715 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (222432).

Almost surely, 2^3995745 is an apocalyptic number.

It is an amenable number.

3995745 is a deficient number, since it is larger than the sum of its proper divisors (3122079).

3995745 is a wasteful number, since it uses less digits than its factorization.

3995745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 170100, while the sum is 42.

The square root of 3995745 is about 1998.9359669584. The cubic root of 3995745 is about 158.6837986311.

The spelling of 3995745 in words is "three million, nine hundred ninety-five thousand, seven hundred forty-five".