966543 has 8 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 640728.

The previous prime is 966527. The next prime is 966547. The reversal of 966543 is 345669.

It is a happy number.

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

It is not a de Polignac number, because 966543 - 2⁴ = 966527 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 966543.

It is not an unprimeable number, because it can be changed into a prime (966547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2⁹⁶⁶⁵⁴³ is an apocalyptic number.

966543 is a deficient number, since it is larger than the sum of its proper divisors (329457).

966543 is a wasteful number, since it uses less digits than its factorization.

966543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821.

The product of its digits is 19440, while the sum is 33.

The square root of 966543 is about 983.1291878487. The cubic root of 966543 is about 98.8720927488.

The spelling of 966543 in words is "nine hundred sixty-six thousand, five hundred forty-three".