985383900 has 144 divisors (see below), whose sum is σ = 3188684800. Its totient is φ = 261040320.

The previous prime is 985383899. The next prime is 985383923. The reversal of 985383900 is 9383589.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438981 + ... + 441219.

Almost surely, 2^985383900 is an apocalyptic number.

985383900 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 985383900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594342400).

985383900 is an abundant number, since it is smaller than the sum of its proper divisors (2203300900).

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

985383900 is a wasteful number, since it uses less digits than its factorization.

985383900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 985383900 is about 31390.8250926923. The cubic root of 985383900 is about 995.1040353160.

The spelling of 985383900 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, nine hundred".