432779 has 4 divisors (see below), whose sum is σ = 434184. Its totient is φ = 431376.

The previous prime is 432749. The next prime is 432781. The reversal of 432779 is 977234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 977234 = 2 ⋅488617.

It is a cyclic number.

It is not a de Polignac number, because 432779 - 2¹² = 428683 is a prime.

It is a Duffinian 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, 17 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (108546).

2⁴³²⁷⁷⁹ is an apocalyptic number.

432779 is a deficient number, since it is larger than the sum of its proper divisors (1405).

432779 is an equidigital number, since it uses as much as digits as its factorization.

432779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its digits is 10584, while the sum is 32.

The square root of 432779 is about 657.8594074724. The cubic root of 432779 is about 75.6406745280.

The spelling of 432779 in words is "four hundred thirty-two thousand, seven hundred seventy-nine".