425966 has 8 divisors (see below), whose sum is σ = 641784. Its totient is φ = 212040.

The previous prime is 425959. The next prime is 425977. The reversal of 425966 is 669524.

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

It is a congruent number.

It is an unprimeable number.

425966 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 3 ways as a sum of consecutive naturals, for example, 461 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (80223).

2⁴²⁵⁹⁶⁶ is an apocalyptic number.

425966 is a deficient number, since it is larger than the sum of its proper divisors (215818).

425966 is a wasteful number, since it uses less digits than its factorization.

425966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 12960, while the sum is 32.

The square root of 425966 is about 652.6607081785. The cubic root of 425966 is about 75.2416501959.

The spelling of 425966 in words is "four hundred twenty-five thousand, nine hundred sixty-six".