3986747427 has 16 divisors (see below), whose sum is σ = 5729784480. Its totient is φ = 2451144192.

The previous prime is 3986747419. The next prime is 3986747441. The reversal of 3986747427 is 7247476893.

It is not a de Polignac number, because 3986747427 - 2³ = 3986747419 is a prime.

It is a super-2 number, since 2×3986747427² = 31788310093382240658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3986747327) 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, 2838 + ... + 89339.

It is an arithmetic number, because the mean of its divisors is an integer number (358111530).

Almost surely, 2^3986747427 is an apocalyptic number.

3986747427 is a deficient number, since it is larger than the sum of its proper divisors (1743037053).

3986747427 is a wasteful number, since it uses less digits than its factorization.

3986747427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93302.

The product of its digits is 14224896, while the sum is 57.

The square root of 3986747427 is about 63140.6954903096. The cubic root of 3986747427 is about 1585.6460166175.

The spelling of 3986747427 in words is "three billion, nine hundred eighty-six million, seven hundred forty-seven thousand, four hundred twenty-seven".