966550 has 24 divisors (see below), whose sum is σ = 1937376. Its totient is φ = 356640.

The previous prime is 966547. The next prime is 966557. The reversal of 966550 is 55669.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (80724).

2⁹⁶⁶⁵⁵⁰ is an apocalyptic number.

966550 is an abundant number, since it is smaller than the sum of its proper divisors (970826).

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

966550 is a wasteful number, since it uses less digits than its factorization.

966550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 966550 is about 983.1327479034. The cubic root of 966550 is about 98.8723314356.

The spelling of 966550 in words is "nine hundred sixty-six thousand, five hundred fifty".