973996440 has 128 divisors (see below), whose sum is σ = 3086899200. Its totient is φ = 245468160.

The previous prime is 973996343. The next prime is 973996447. The reversal of 973996440 is 44699379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973996447) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 156916 + ... + 163004.

It is an arithmetic number, because the mean of its divisors is an integer number (24116400).

Almost surely, 2^973996440 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 973996440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543449600).

973996440 is an abundant number, since it is smaller than the sum of its proper divisors (2112902760).

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

973996440 is a wasteful number, since it uses less digits than its factorization.

973996440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177 (or 6173 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 973996440 is about 31208.9160337234. The cubic root of 973996440 is about 991.2559104191.

The spelling of 973996440 in words is "nine hundred seventy-three million, nine hundred ninety-six thousand, four hundred forty".