425784 has 32 divisors (see below), whose sum is σ = 1080720. Its totient is φ = 139776.

The previous prime is 425783. The next prime is 425791. The reversal of 425784 is 487524.

425784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425784.

It is not an unprimeable number, because it can be changed into a prime (425783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634 + ... + 2790.

2⁴²⁵⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

425784 is an abundant number, since it is smaller than the sum of its proper divisors (654936).

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

425784 is a wasteful number, since it uses less digits than its factorization.

425784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 275 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 425784 is about 652.5212640213. The cubic root of 425784 is about 75.2309326494.

The spelling of 425784 in words is "four hundred twenty-five thousand, seven hundred eighty-four".