985630 has 8 divisors (see below), whose sum is σ = 1774152. Its totient is φ = 394248.

The previous prime is 985613. The next prime is 985631. The reversal of 985630 is 36589.

985630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 985592 and 985601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985631) by changing a digit.

985630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49272 + ... + 49291.

It is an arithmetic number, because the mean of its divisors is an integer number (221769).

2⁹⁸⁵⁶³⁰ is an apocalyptic number.

985630 is a deficient number, since it is larger than the sum of its proper divisors (788522).

985630 is a wasteful number, since it uses less digits than its factorization.

985630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98570.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 985630 is about 992.7890007449. The cubic root of 985630 is about 99.5186870956.

The spelling of 985630 in words is "nine hundred eighty-five thousand, six hundred thirty".