971632 has 10 divisors (see below), whose sum is σ = 1882568. Its totient is φ = 485808.

The previous prime is 971591. The next prime is 971639. The reversal of 971632 is 236179.

It is a self number, because there is not a number n which added to its sum of digits gives 971632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30348 + ... + 30379.

2⁹⁷¹⁶³² is an apocalyptic number.

It is an amenable number.

971632 is a deficient number, since it is larger than the sum of its proper divisors (910936).

971632 is a wasteful number, since it uses less digits than its factorization.

971632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60735 (or 60729 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 971632 is about 985.7139544513. The cubic root of 971632 is about 99.0453147651.

The spelling of 971632 in words is "nine hundred seventy-one thousand, six hundred thirty-two".