966549 has 16 divisors (see below), whose sum is σ = 1402880. Its totient is φ = 589680.

The previous prime is 966547. The next prime is 966557. The reversal of 966549 is 945669.

It is not a de Polignac number, because 966549 - 2¹ = 966547 is a prime.

It is an Ulam number.

It is a Duffinian number.

966549 is a lucky number.

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 966549.

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 15 ways as a sum of consecutive naturals, for example, 1494 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (87680).

2⁹⁶⁶⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

966549 is a deficient number, since it is larger than the sum of its proper divisors (436331).

966549 is a wasteful number, since it uses less digits than its factorization.

966549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 58320, while the sum is 39.

The square root of 966549 is about 983.1322393249. The cubic root of 966549 is about 98.8722973375.

The spelling of 966549 in words is "nine hundred sixty-six thousand, five hundred forty-nine".