3798215971 has 4 divisors (see below), whose sum is σ = 4143508344. Its totient is φ = 3452923600.

The previous prime is 3798215951. The next prime is 3798216011. The reversal of 3798215971 is 1795128973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1795128973 = 11 ⋅163193543.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3798215971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3798215951) 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, 172646170 + ... + 172646191.

It is an arithmetic number, because the mean of its divisors is an integer number (1035877086).

Almost surely, 2^3798215971 is an apocalyptic number.

3798215971 is a deficient number, since it is larger than the sum of its proper divisors (345292373).

3798215971 is a wasteful number, since it uses less digits than its factorization.

3798215971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345292372.

The product of its digits is 952560, while the sum is 52.

The square root of 3798215971 is about 61629.6679449111. The cubic root of 3798215971 is about 1560.2465053974.

The spelling of 3798215971 in words is "three billion, seven hundred ninety-eight million, two hundred fifteen thousand, nine hundred seventy-one".