3864884197 has 4 divisors (see below), whose sum is σ = 3865026240. Its totient is φ = 3864742156.

The previous prime is 3864884171. The next prime is 3864884209. The reversal of 3864884197 is 7914884683.

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 a de Polignac number, because none of the positive numbers 2^k-3864884197 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 (3864884167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15997 + ... + 89362.

It is an arithmetic number, because the mean of its divisors is an integer number (966256560).

Almost surely, 2^3864884197 is an apocalyptic number.

It is an amenable number.

3864884197 is a deficient number, since it is larger than the sum of its proper divisors (142043).

3864884197 is a wasteful number, since it uses less digits than its factorization.

3864884197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142042.

The product of its digits is 9289728, while the sum is 58.

The square root of 3864884197 is about 62168.1928078982. The cubic root of 3864884197 is about 1569.3223571585.

The spelling of 3864884197 in words is "three billion, eight hundred sixty-four million, eight hundred eighty-four thousand, one hundred ninety-seven".