973823856 has 20 divisors (see below), whose sum is σ = 2515711752. Its totient is φ = 324607936.

The previous prime is 973823839. The next prime is 973823861. The reversal of 973823856 is 658328379.

It is a junction number, because it is equal to n+sod(n) for n = 973823799 and 973823808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10143951 + ... + 10144046.

Almost surely, 2^973823856 is an apocalyptic number.

It is an amenable number.

973823856 is an abundant number, since it is smaller than the sum of its proper divisors (1541887896).

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

973823856 is a wasteful number, since it uses less digits than its factorization.

973823856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20288008 (or 20288002 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 973823856 is about 31206.1509321480. The cubic root of 973823856 is about 991.1973595496.

The spelling of 973823856 in words is "nine hundred seventy-three million, eight hundred twenty-three thousand, eight hundred fifty-six".