970861980 has 96 divisors (see below), whose sum is σ = 2973293568. Its totient is φ = 234745600.

The previous prime is 970861979. The next prime is 970862017. The reversal of 970861980 is 89168079.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282754 + ... + 286166.

It is an arithmetic number, because the mean of its divisors is an integer number (30971808).

Almost surely, 2^970861980 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 970861980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486646784).

970861980 is an abundant number, since it is smaller than the sum of its proper divisors (2002431588).

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

970861980 is a wasteful number, since it uses less digits than its factorization.

970861980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867 (or 3865 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 970861980 is about 31158.6581867705. The cubic root of 970861980 is about 990.1914332389.

The spelling of 970861980 in words is "nine hundred seventy million, eight hundred sixty-one thousand, nine hundred eighty".