985740 has 48 divisors (see below), whose sum is σ = 3155712. Its totient is φ = 225216.

The previous prime is 985729. The next prime is 985741. The reversal of 985740 is 47589.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (985741) by changing a digit.

985740 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 15 ways as a sum of consecutive naturals, for example, 754 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (65744).

2⁹⁸⁵⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

985740 is an abundant number, since it is smaller than the sum of its proper divisors (2169972).

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

985740 is a wasteful number, since it uses less digits than its factorization.

985740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 985740 is about 992.8443986849. The cubic root of 985740 is about 99.5223891773.

The spelling of 985740 in words is "nine hundred eighty-five thousand, seven hundred forty".