785490 has 16 divisors (see below), whose sum is σ = 1885248. Its totient is φ = 209456.

The previous prime is 785483. The next prime is 785501. The reversal of 785490 is 94587.

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

It is a Curzon number.

It is an unprimeable number.

785490 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 7 ways as a sum of consecutive naturals, for example, 13062 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (117828).

2⁷⁸⁵⁴⁹⁰ is an apocalyptic number.

785490 is an abundant number, since it is smaller than the sum of its proper divisors (1099758).

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

785490 is a wasteful number, since it uses less digits than its factorization.

785490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26193.

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

The square root of 785490 is about 886.2787371928. The cubic root of 785490 is about 92.2671034158.

It can be divided in two parts, 785 and 490, that added together give a triangular number (1275 = T₅₀).

The spelling of 785490 in words is "seven hundred eighty-five thousand, four hundred ninety".