425406 has 8 divisors (see below), whose sum is σ = 850824. Its totient is φ = 141800.

The previous prime is 425393. The next prime is 425417. The reversal of 425406 is 604524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

425406 is an admirable number.

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 425406.

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, 35445 + ... + 35456.

It is an arithmetic number, because the mean of its divisors is an integer number (106353).

2⁴²⁵⁴⁰⁶ is an apocalyptic number.

425406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

425406 is a wasteful number, since it uses less digits than its factorization.

425406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70906.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 425406 is about 652.2315539745. The cubic root of 425406 is about 75.2086633674.

The spelling of 425406 in words is "four hundred twenty-five thousand, four hundred six".