985240 has 16 divisors (see below), whose sum is σ = 2216880. Its totient is φ = 394080.

The previous prime is 985219. The next prime is 985253. The reversal of 985240 is 42589.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 985199 and 985208.

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, 12276 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (138555).

2⁹⁸⁵²⁴⁰ is an apocalyptic number.

It is an amenable number.

985240 is an abundant number, since it is smaller than the sum of its proper divisors (1231640).

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

985240 is a wasteful number, since it uses less digits than its factorization.

985240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24642 (or 24638 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 985240 is about 992.5925649530. The cubic root of 985240 is about 99.5055593133.

It can be divided in two parts, 985 and 240, that added together give a triangular number (1225 = T₄₉).

The spelling of 985240 in words is "nine hundred eighty-five thousand, two hundred forty".