3955825 has 6 divisors (see below), whose sum is σ = 4905254. Its totient is φ = 3164640.

The previous prime is 3955823. The next prime is 3955859. The reversal of 3955825 is 5285593.

It can be written as a sum of positive squares in 3 ways, for example, as 628849 + 3326976 = 793^2 + 1824^2 .

It is not a de Polignac number, because 3955825 - 2¹ = 3955823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3955823) 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, 79092 + ... + 79141.

Almost surely, 2^3955825 is an apocalyptic number.

It is an amenable number.

3955825 is a deficient number, since it is larger than the sum of its proper divisors (949429).

3955825 is a wasteful number, since it uses less digits than its factorization.

3955825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158243 (or 158238 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 3955825 is about 1988.9255893572. The cubic root of 3955825 is about 158.1535787055.

The spelling of 3955825 in words is "three million, nine hundred fifty-five thousand, eight hundred twenty-five".