971466638 has 8 divisors (see below), whose sum is σ = 1458051840. Its totient is φ = 485449360.

The previous prime is 971466631. The next prime is 971466653. The reversal of 971466638 is 836664179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971466631) by changing a digit.

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, 137678 + ... + 144561.

It is an arithmetic number, because the mean of its divisors is an integer number (182256480).

Almost surely, 2^971466638 is an apocalyptic number.

971466638 is a deficient number, since it is larger than the sum of its proper divisors (486585202).

971466638 is a wasteful number, since it uses less digits than its factorization.

971466638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283962.

The product of its digits is 1306368, while the sum is 50.

The square root of 971466638 is about 31168.3595654311. The cubic root of 971466638 is about 990.3969560733.

The spelling of 971466638 in words is "nine hundred seventy-one million, four hundred sixty-six thousand, six hundred thirty-eight".