983768656 has 80 divisors (see below), whose sum is σ = 2118864384. Its totient is φ = 439621632.

The previous prime is 983768633. The next prime is 983768677. The reversal of 983768656 is 656867389.

It is a super-3 number, since 3×983768656³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 983768656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006440 + ... + 1007416.

Almost surely, 2^983768656 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 983768656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059432192).

983768656 is an abundant number, since it is smaller than the sum of its proper divisors (1135095728).

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

983768656 is a wasteful number, since it uses less digits than its factorization.

983768656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1142 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The square root of 983768656 is about 31365.0865772757. The cubic root of 983768656 is about 994.5600121954.

The spelling of 983768656 in words is "nine hundred eighty-three million, seven hundred sixty-eight thousand, six hundred fifty-six".