785412 has 18 divisors (see below), whose sum is σ = 1985438. Its totient is φ = 261792.

The previous prime is 785377. The next prime is 785413. The reversal of 785412 is 214587.

785412 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 only one way, i.e., 715716 + 69696 = 846^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (785413) by changing a digit.

785412 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 5 ways as a sum of consecutive naturals, for example, 10873 + ... + 10944.

2⁷⁸⁵⁴¹² is an apocalyptic number.

It is an amenable number.

785412 is an abundant number, since it is smaller than the sum of its proper divisors (1200026).

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

785412 is a wasteful number, since it uses less digits than its factorization.

785412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21827 (or 21822 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 785412 is about 886.2347318854. The cubic root of 785412 is about 92.2640492406.

Adding to 785412 its reverse (214587), we get a palindrome (999999).

The spelling of 785412 in words is "seven hundred eighty-five thousand, four hundred twelve".