3864312997 has 4 divisors (see below), whose sum is σ = 3866913216. Its totient is φ = 3861712780.

The previous prime is 3864312943. The next prime is 3864313001. The reversal of 3864312997 is 7992134683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3864312997 - 2²³ = 3855924389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864312497) 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, 1297879 + ... + 1300852.

It is an arithmetic number, because the mean of its divisors is an integer number (966728304).

Almost surely, 2^3864312997 is an apocalyptic number.

It is an amenable number.

3864312997 is a deficient number, since it is larger than the sum of its proper divisors (2600219).

3864312997 is a wasteful number, since it uses less digits than its factorization.

3864312997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600218.

The product of its digits is 1959552, while the sum is 52.

The square root of 3864312997 is about 62163.5986490486. The cubic root of 3864312997 is about 1569.2450421129.

The spelling of 3864312997 in words is "three billion, eight hundred sixty-four million, three hundred twelve thousand, nine hundred ninety-seven".