973398636 has 144 divisors (see below), whose sum is σ = 2958778368. Its totient is φ = 263952000.

The previous prime is 973398619. The next prime is 973398637. The reversal of 973398636 is 636893379.

It is not an unprimeable number, because it can be changed into a prime (973398637) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 412861 + ... + 415211.

It is an arithmetic number, because the mean of its divisors is an integer number (20547072).

Almost surely, 2^973398636 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 973398636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479389184).

973398636 is an abundant number, since it is smaller than the sum of its proper divisors (1985379732).

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

973398636 is a wasteful number, since it uses less digits than its factorization.

973398636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 2447 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 973398636 is about 31199.3371083425. The cubic root of 973398636 is about 991.0530698339.

The spelling of 973398636 in words is "nine hundred seventy-three million, three hundred ninety-eight thousand, six hundred thirty-six".