425632 has 24 divisors (see below), whose sum is σ = 858816. Its totient is φ = 207552.

The previous prime is 425609. The next prime is 425641. The reversal of 425632 is 236524.

It is a happy number.

It is a d-powerful number, because it can be written as 4² + 2¹⁴ + 6² + 5⁸ + 3⁷ + 2¹⁴ .

It is an unprimeable number.

425632 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, 1363 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (35784).

2⁴²⁵⁶³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429408).

425632 is an abundant number, since it is smaller than the sum of its proper divisors (433184).

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

425632 is a wasteful number, since it uses less digits than its factorization.

425632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 332 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 425632 is about 652.4047823246. The cubic root of 425632 is about 75.2219793909.

The spelling of 425632 in words is "four hundred twenty-five thousand, six hundred thirty-two".