973988 has 12 divisors (see below), whose sum is σ = 1750812. Its totient is φ = 473760.

The previous prime is 973957. The next prime is 974003. The reversal of 973988 is 889379.

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 399424 = 758^2 + 632^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

973988 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 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 3438.

It is an arithmetic number, because the mean of its divisors is an integer number (145901).

2⁹⁷³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

973988 is a deficient number, since it is larger than the sum of its proper divisors (776824).

973988 is a wasteful number, since it uses less digits than its factorization.

973988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622 (or 6620 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 973988 is about 986.9083037446. The cubic root of 973988 is about 99.1253047225.

The spelling of 973988 in words is "nine hundred seventy-three thousand, nine hundred eighty-eight".