966540 has 48 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 253440.

The previous prime is 966527. The next prime is 966547. The reversal of 966540 is 45669.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 966498 and 966507.

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

966540 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5250 + ... + 5430.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2⁹⁶⁶⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 966540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375920).

966540 is an abundant number, since it is smaller than the sum of its proper divisors (1785300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966540 is a wasteful number, since it uses less digits than its factorization.

966540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 966540 is about 983.1276621070. The cubic root of 966540 is about 98.8719904542.

The spelling of 966540 in words is "nine hundred sixty-six thousand, five hundred forty".