3918325 has 6 divisors (see below), whose sum is σ = 4858754. Its totient is φ = 3134640.

The previous prime is 3918323. The next prime is 3918353. The reversal of 3918325 is 5238193.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 208849 + 3709476 = 457^2 + 1926^2 .

It is not a de Polignac number, because 3918325 - 2¹ = 3918323 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 (3918323) 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, 78342 + ... + 78391.

Almost surely, 2^3918325 is an apocalyptic number.

It is an amenable number.

3918325 is a deficient number, since it is larger than the sum of its proper divisors (940429).

3918325 is a wasteful number, since it uses less digits than its factorization.

3918325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156743 (or 156738 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 3918325 is about 1979.4759407480. The cubic root of 3918325 is about 157.6522421436.

The spelling of 3918325 in words is "three million, nine hundred eighteen thousand, three hundred twenty-five".