425790 has 64 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 106272.

The previous prime is 425783. The next prime is 425791. The reversal of 425790 is 97524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425791) by changing a digit.

425790 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 31 ways as a sum of consecutive naturals, for example, 5089 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2⁴²⁵⁷⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604800).

425790 is an abundant number, since it is smaller than the sum of its proper divisors (783810).

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

425790 is a wasteful number, since it uses less digits than its factorization.

425790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 425790 is about 652.5258615565. The cubic root of 425790 is about 75.2312860238.

It can be divided in two parts, 42 and 5790, that added together give a cube (5832 = 18³).

The spelling of 425790 in words is "four hundred twenty-five thousand, seven hundred ninety".