3986531373 has 16 divisors (see below), whose sum is σ = 6050704896. Its totient is φ = 2311032240.

The previous prime is 3986531309. The next prime is 3986531377. The reversal of 3986531373 is 3731356893.

3986531373 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3986531373 - 2⁶ = 3986531309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986531377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625415 + ... + 2626932.

It is an arithmetic number, because the mean of its divisors is an integer number (378169056).

Almost surely, 2^3986531373 is an apocalyptic number.

3986531373 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3986531373 is a deficient number, since it is larger than the sum of its proper divisors (2064173523).

3986531373 is a wasteful number, since it uses less digits than its factorization.

3986531373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252384.

The product of its digits is 1224720, while the sum is 48.

The square root of 3986531373 is about 63138.9845737164. The cubic root of 3986531373 is about 1585.6173724358.

The spelling of 3986531373 in words is "three billion, nine hundred eighty-six million, five hundred thirty-one thousand, three hundred seventy-three".