971886396 has 96 divisors (see below), whose sum is σ = 2675211840. Its totient is φ = 271724544.

The previous prime is 971886353. The next prime is 971886397. The reversal of 971886396 is 693688179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971886397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70590 + ... + 83226.

It is an arithmetic number, because the mean of its divisors is an integer number (27866790).

Almost surely, 2^971886396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971886396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337605920).

971886396 is an abundant number, since it is smaller than the sum of its proper divisors (1703325444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971886396 is a wasteful number, since it uses less digits than its factorization.

971886396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703 (or 12701 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 971886396 is about 31175.0925580021. The cubic root of 971886396 is about 990.5395813805.

The spelling of 971886396 in words is "nine hundred seventy-one million, eight hundred eighty-six thousand, three hundred ninety-six".