985940 has 12 divisors (see below), whose sum is σ = 2070516. Its totient is φ = 394368.

The previous prime is 985937. The next prime is 985951. The reversal of 985940 is 49589.

985940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 835396 = 388^2 + 914^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 985940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24629 + ... + 24668.

It is an arithmetic number, because the mean of its divisors is an integer number (172543).

2⁹⁸⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

985940 is an abundant number, since it is smaller than the sum of its proper divisors (1084576).

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

985940 is a wasteful number, since it uses less digits than its factorization.

985940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49306 (or 49304 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 985940 is about 992.9451142938. The cubic root of 985940 is about 99.5291195294.

The spelling of 985940 in words is "nine hundred eighty-five thousand, nine hundred forty".