985554 has 16 divisors (see below), whose sum is σ = 2190240. Its totient is φ = 328500.

The previous prime is 985547. The next prime is 985571. The reversal of 985554 is 455589.

It is a happy number.

985554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9072 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (136890).

2⁹⁸⁵⁵⁵⁴ is an apocalyptic number.

985554 is an abundant number, since it is smaller than the sum of its proper divisors (1204686).

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

985554 is a wasteful number, since it uses less digits than its factorization.

985554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18262 (or 18256 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 985554 is about 992.7507239987. The cubic root of 985554 is about 99.5161291328.

The spelling of 985554 in words is "nine hundred eighty-five thousand, five hundred fifty-four".