3897227983 has 4 divisors (see below), whose sum is σ = 4251521448. Its totient is φ = 3542934520.

The previous prime is 3897227953. The next prime is 3897228011.

3897227983 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3897227983 - 2²⁵ = 3863673551 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 (3897227923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177146716 + ... + 177146737.

It is an arithmetic number, because the mean of its divisors is an integer number (1062880362).

Almost surely, 2^3897227983 is an apocalyptic number.

3897227983 is a deficient number, since it is larger than the sum of its proper divisors (354293465).

3897227983 is a wasteful number, since it uses less digits than its factorization.

3897227983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354293464.

The product of its digits is 9144576, while the sum is 58.

The square root of 3897227983 is about 62427.7821406463. The cubic root of 3897227983 is about 1573.6878945967.

The spelling of 3897227983 in words is "three billion, eight hundred ninety-seven million, two hundred twenty-seven thousand, nine hundred eighty-three".