432769 has 4 divisors (see below), whose sum is σ = 458244. Its totient is φ = 407296.

The previous prime is 432749. The next prime is 432781. The reversal of 432769 is 967234.

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 144400 + 288369 = 380^2 + 537^2 .

It is a cyclic number.

It is not a de Polignac number, because 432769 - 2⁵ = 432737 is a prime.

It is a super-2 number, since 2×432769² = 374578014722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 432769.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432749) 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, 12712 + ... + 12745.

It is an arithmetic number, because the mean of its divisors is an integer number (114561).

2⁴³²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

432769 is a deficient number, since it is larger than the sum of its proper divisors (25475).

432769 is a wasteful number, since it uses less digits than its factorization.

432769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474.

The product of its digits is 9072, while the sum is 31.

The square root of 432769 is about 657.8518070204. The cubic root of 432769 is about 75.6400919269.

The spelling of 432769 in words is "four hundred thirty-two thousand, seven hundred sixty-nine".