971671486 has 4 divisors (see below), whose sum is σ = 1457507232. Its totient is φ = 485835742.

The previous prime is 971671447. The next prime is 971671507. The reversal of 971671486 is 684176179.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 242917870 + ... + 242917873.

It is an arithmetic number, because the mean of its divisors is an integer number (364376808).

Almost surely, 2^971671486 is an apocalyptic number.

971671486 is a deficient number, since it is larger than the sum of its proper divisors (485835746).

971671486 is a wasteful number, since it uses less digits than its factorization.

971671486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485835745.

The product of its digits is 508032, while the sum is 49.

The square root of 971671486 is about 31171.6455452708. The cubic root of 971671486 is about 990.4665644260.

The spelling of 971671486 in words is "nine hundred seventy-one million, six hundred seventy-one thousand, four hundred eighty-six".