3897114861 has 8 divisors (see below), whose sum is σ = 5197389664. Its totient is φ = 2597458320.

The previous prime is 3897114827. The next prime is 3897114863. The reversal of 3897114861 is 1684117983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3897114861 - 2⁶ = 3897114797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3897114861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897114863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139651 + ... + 165216.

It is an arithmetic number, because the mean of its divisors is an integer number (649673708).

Almost surely, 2^3897114861 is an apocalyptic number.

It is an amenable number.

3897114861 is a deficient number, since it is larger than the sum of its proper divisors (1300274803).

3897114861 is a wasteful number, since it uses less digits than its factorization.

3897114861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309131.

The product of its digits is 290304, while the sum is 48.

The square root of 3897114861 is about 62426.8761111751. The cubic root of 3897114861 is about 1573.6726683517.

The spelling of 3897114861 in words is "three billion, eight hundred ninety-seven million, one hundred fourteen thousand, eight hundred sixty-one".