971906364 has 180 divisors, whose sum is σ = 3009133512. Its totient is φ = 271719360.

The previous prime is 971906329. The next prime is 971906381. The reversal of 971906364 is 463609179.

971906364 is a `hidden beast` number, since 9 + 7 + 1 + 9 + 0 + 636 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 508699 + ... + 510605.

Almost surely, 2^971906364 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 971906364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504566756).

971906364 is an abundant number, since it is smaller than the sum of its proper divisors (2037227148).

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

971906364 is a wasteful number, since it uses less digits than its factorization.

971906364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 971906364 is about 31175.4128120222. The cubic root of 971906364 is about 990.5463650811.

The spelling of 971906364 in words is "nine hundred seventy-one million, nine hundred six thousand, three hundred sixty-four".