432247 has 4 divisors (see below), whose sum is σ = 433576. Its totient is φ = 430920.

The previous prime is 432241. The next prime is 432251. The reversal of 432247 is 742234.

432247 = 4⁴ + 5⁴ + ... + 18⁴.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432247 is a prime.

It is a Duffinian number.

432247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (108394).

2⁴³²²⁴⁷ is an apocalyptic number.

432247 is a deficient number, since it is larger than the sum of its proper divisors (1329).

432247 is an equidigital number, since it uses as much as digits as its factorization.

432247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328.

The product of its digits is 1344, while the sum is 22.

The square root of 432247 is about 657.4549414218. The cubic root of 432247 is about 75.6096676792.

The spelling of 432247 in words is "four hundred thirty-two thousand, two hundred forty-seven".