973391040 has 224 divisors, whose sum is σ = 3467770560. Its totient is φ = 257015808.

The previous prime is 973391039. The next prime is 973391077. The reversal of 973391040 is 40193379.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 973390986 and 973391004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975822 + ... + 976818.

Almost surely, 2^973391040 is an apocalyptic number.

973391040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 973391040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733885280).

973391040 is an abundant number, since it is smaller than the sum of its proper divisors (2494379520).

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

973391040 is a wasteful number, since it uses less digits than its factorization.

973391040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 973391040 is about 31199.2153747494. The cubic root of 973391040 is about 991.0504919046.

The spelling of 973391040 in words is "nine hundred seventy-three million, three hundred ninety-one thousand, forty".