436441 has 4 divisors (see below), whose sum is σ = 462132. Its totient is φ = 410752.

The previous prime is 436439. The next prime is 436459. The reversal of 436441 is 144634.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 81225 = 596^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 436441 - 2¹ = 436439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (436481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12820 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (115533).

2⁴³⁶⁴⁴¹ is an apocalyptic number.

It is an amenable number.

436441 is a deficient number, since it is larger than the sum of its proper divisors (25691).

436441 is a wasteful number, since it uses less digits than its factorization.

436441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690.

The product of its digits is 1152, while the sum is 22.

The square root of 436441 is about 660.6368139909. The cubic root of 436441 is about 75.8534224709.

The spelling of 436441 in words is "four hundred thirty-six thousand, four hundred forty-one".