976866 has 48 divisors (see below), whose sum is σ = 2304288. Its totient is φ = 273600.

The previous prime is 976853. The next prime is 976883. The reversal of 976866 is 668679.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

976866 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 23 ways as a sum of consecutive naturals, for example, 23806 + ... + 23846.

It is an arithmetic number, because the mean of its divisors is an integer number (48006).

2⁹⁷⁶⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 976866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152144).

976866 is an abundant number, since it is smaller than the sum of its proper divisors (1327422).

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

976866 is a wasteful number, since it uses less digits than its factorization.

976866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 76 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 976866 is about 988.3653170766. The cubic root of 976866 is about 99.2228425761. Note that the first 3 decimals are identical.

The spelling of 976866 in words is "nine hundred seventy-six thousand, eight hundred sixty-six".