3986272537 has 4 divisors (see below), whose sum is σ = 4292908900. Its totient is φ = 3679636176.

The previous prime is 3986272487. The next prime is 3986272553. The reversal of 3986272537 is 7352726893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 840072256 + 3146200281 = 28984^2 + 56091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3986272537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3986272597) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 153318162 + ... + 153318187.

It is an arithmetic number, because the mean of its divisors is an integer number (1073227225).

Almost surely, 2^3986272537 is an apocalyptic number.

It is an amenable number.

3986272537 is a deficient number, since it is larger than the sum of its proper divisors (306636363).

3986272537 is a wasteful number, since it uses less digits than its factorization.

3986272537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306636362.

The product of its digits is 3810240, while the sum is 52.

The square root of 3986272537 is about 63136.9348083988. The cubic root of 3986272537 is about 1585.5830549049.

The spelling of 3986272537 in words is "three billion, nine hundred eighty-six million, two hundred seventy-two thousand, five hundred thirty-seven".