436436 has 48 divisors (see below), whose sum is σ = 1034880. Its totient is φ = 155520.

The previous prime is 436427. The next prime is 436439. The reversal of 436436 is 634634.

436436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 4⁷ + 3¹¹ + 4⁸ + 6 + 3¹¹ + 6³ .

Its product of digits (5184) is a multiple of the sum of its prime factors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436439) by changing a digit.

436436 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 15 ways as a sum of consecutive naturals, for example, 3950 + ... + 4058.

It is an arithmetic number, because the mean of its divisors is an integer number (21560).

2⁴³⁶⁴³⁶ 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 436436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517440).

436436 is an abundant number, since it is smaller than the sum of its proper divisors (598444).

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

436436 is a wasteful number, since it uses less digits than its factorization.

436436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 436436 is about 660.6330297525. The cubic root of 436436 is about 75.8531328032.

The spelling of 436436 in words is "four hundred thirty-six thousand, four hundred thirty-six".