3986018325 has 36 divisors (see below), whose sum is σ = 7332373828. Its totient is φ = 2068416000.

The previous prime is 3986018297. The next prime is 3986018327. The reversal of 3986018325 is 5238106893.

It is a happy number.

3986018325 is a `hidden beast` number, since 3 + 9 + 8 + 601 + 8 + 32 + 5 = 666.

3986018325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 61121124 + 3924897201 = 7818^2 + 62649^2 .

It is not a de Polignac number, because 3986018325 - 2⁵ = 3986018293 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986018327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 231076 + ... + 247725.

Almost surely, 2^3986018325 is an apocalyptic number.

It is an amenable number.

3986018325 is a deficient number, since it is larger than the sum of its proper divisors (3346355503).

3986018325 is a wasteful number, since it uses less digits than its factorization.

3986018325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478854 (or 478846 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3986018325 is about 63134.9215965301. The cubic root of 3986018325 is about 1585.5493489967.

It can be divided in two parts, 39860 and 18325, that added together give a palindrome (58185).

The spelling of 3986018325 in words is "three billion, nine hundred eighty-six million, eighteen thousand, three hundred twenty-five".