435420 has 72 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 111360.

The previous prime is 435419. The next prime is 435427. The reversal of 435420 is 24534.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 435393 and 435402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (435427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7351 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (19110).

2⁴³⁵⁴²⁰ 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 435420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687960).

435420 is an abundant number, since it is smaller than the sum of its proper divisors (940500).

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

435420 is a wasteful number, since it uses less digits than its factorization.

435420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 435420 is about 659.8636222736. The cubic root of 435420 is about 75.7942263711.

Adding to 435420 its reverse (24534), we get a palindrome (459954).

The spelling of 435420 in words is "four hundred thirty-five thousand, four hundred twenty".