3887391306 has 16 divisors (see below), whose sum is σ = 7862140800. Its totient is φ = 1281237408.

The previous prime is 3887391239. The next prime is 3887391331. The reversal of 3887391306 is 6031937883.

It is a super-2 number, since 2×3887391306² = 30223622331928771272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3639346 + ... + 3640413.

It is an arithmetic number, because the mean of its divisors is an integer number (491383800).

Almost surely, 2^3887391306 is an apocalyptic number.

3887391306 is an abundant number, since it is smaller than the sum of its proper divisors (3974749494).

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

3887391306 is a wasteful number, since it uses less digits than its factorization.

3887391306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279853.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 3887391306 is about 62348.9479141389. The cubic root of 3887391306 is about 1572.3627731088.

The spelling of 3887391306 in words is "three billion, eight hundred eighty-seven million, three hundred ninety-one thousand, three hundred six".