973986 has 16 divisors (see below), whose sum is σ = 2097984. Its totient is φ = 299664.

The previous prime is 973957. The next prime is 974003. The reversal of 973986 is 689379.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an unprimeable number.

973986 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6166 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (131124).

2⁹⁷³⁹⁸⁶ is an apocalyptic number.

973986 is an abundant number, since it is smaller than the sum of its proper divisors (1123998).

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

973986 is a wasteful number, since it uses less digits than its factorization.

973986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12505.

The product of its digits is 81648, while the sum is 42.

The square root of 973986 is about 986.9072904787. The cubic root of 973986 is about 99.1252368740.

The spelling of 973986 in words is "nine hundred seventy-three thousand, nine hundred eighty-six".