983885550 has 96 divisors (see below), whose sum is σ = 2595667200. Its totient is φ = 245928960.

The previous prime is 983885527. The next prime is 983885597. The reversal of 983885550 is 55588389.

It is a junction number, because it is equal to n+sod(n) for n = 983885493 and 983885502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274671 + ... + 278229.

It is an arithmetic number, because the mean of its divisors is an integer number (27038200).

Almost surely, 2^983885550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 983885550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297833600).

983885550 is an abundant number, since it is smaller than the sum of its proper divisors (1611781650).

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

983885550 is a wasteful number, since it uses less digits than its factorization.

983885550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

The square root of 983885550 is about 31366.9499632974. The cubic root of 983885550 is about 994.5994027211.

The spelling of 983885550 in words is "nine hundred eighty-three million, eight hundred eighty-five thousand, five hundred fifty".