436394 has 24 divisors (see below), whose sum is σ = 784548. Its totient is φ = 181440.

The previous prime is 436357. The next prime is 436399. The reversal of 436394 is 493634.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 405769 + 30625 = 637^2 + 175^2 .

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 436394.

It is not an unprimeable number, because it can be changed into a prime (436399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5942 + ... + 6014.

2⁴³⁶³⁹⁴ is an apocalyptic number.

436394 is a deficient number, since it is larger than the sum of its proper divisors (348154).

436394 is a wasteful number, since it uses less digits than its factorization.

436394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 143 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 436394 is about 660.6012412946. The cubic root of 436394 is about 75.8506995073.

The spelling of 436394 in words is "four hundred thirty-six thousand, three hundred ninety-four".