963971 has 4 divisors (see below), whose sum is σ = 965952. Its totient is φ = 961992.

The previous prime is 963943. The next prime is 963973. The reversal of 963971 is 179369.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-963971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963973) 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 in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 1421.

It is an arithmetic number, because the mean of its divisors is an integer number (241488).

2⁹⁶³⁹⁷¹ is an apocalyptic number.

963971 is a deficient number, since it is larger than the sum of its proper divisors (1981).

963971 is a wasteful number, since it uses less digits than its factorization.

963971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 10206, while the sum is 35.

The square root of 963971 is about 981.8202483143. The cubic root of 963971 is about 98.7843143046.

The spelling of 963971 in words is "nine hundred sixty-three thousand, nine hundred seventy-one".