971999484 has 12 divisors (see below), whose sum is σ = 2267998824. Its totient is φ = 323999824.

The previous prime is 971999459. The next prime is 971999537. The reversal of 971999484 is 484999179.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40499967 + ... + 40499990.

It is an arithmetic number, because the mean of its divisors is an integer number (188999902).

Almost surely, 2^971999484 is an apocalyptic number.

It is an amenable number.

971999484 is an abundant number, since it is smaller than the sum of its proper divisors (1295999340).

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

971999484 is a wasteful number, since it uses less digits than its factorization.

971999484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80999964 (or 80999962 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 60.

The square root of 971999484 is about 31176.9062608848. The cubic root of 971999484 is about 990.5779993809.

The spelling of 971999484 in words is "nine hundred seventy-one million, nine hundred ninety-nine thousand, four hundred eighty-four".