971462856 has 256 divisors, whose sum is σ = 3228825600. Its totient is φ = 236390400.

The previous prime is 971462819. The next prime is 971462867. The reversal of 971462856 is 658264179.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1701051 + ... + 1701621.

It is an arithmetic number, because the mean of its divisors is an integer number (12612600).

Almost surely, 2^971462856 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 971462856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614412800).

971462856 is an abundant number, since it is smaller than the sum of its proper divisors (2257362744).

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

971462856 is a wasteful number, since it uses less digits than its factorization.

971462856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 971462856 is about 31168.2988948707. The cubic root of 971462856 is about 990.3956708392.

The spelling of 971462856 in words is "nine hundred seventy-one million, four hundred sixty-two thousand, eight hundred fifty-six".