432491 has 2 divisors, whose sum is σ = 432492. Its totient is φ = 432490.

The previous prime is 432479. The next prime is 432499. The reversal of 432491 is 194234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432491 - 2¹⁴ = 416107 is a prime.

It is a super-3 number, since 3×432491³ = 242690333134040313, which contains 333 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 432491.

It is not a weakly prime, because it can be changed into another prime (432499) 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 as a sum of consecutive naturals, namely, 216245 + 216246.

It is an arithmetic number, because the mean of its divisors is an integer number (216246).

2⁴³²⁴⁹¹ is an apocalyptic number.

432491 is a deficient number, since it is larger than the sum of its proper divisors (1).

432491 is an equidigital number, since it uses as much as digits as its factorization.

432491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 432491 is about 657.6404792894. The cubic root of 432491 is about 75.6238920221.

The spelling of 432491 in words is "four hundred thirty-two thousand, four hundred ninety-one".