432749 has 2 divisors, whose sum is σ = 432750. Its totient is φ = 432748.

The previous prime is 432743. The next prime is 432781. The reversal of 432749 is 947234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310249 + 122500 = 557^2 + 350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4³ + 3¹¹ + 7⁶ + 2¹⁷ + 4⁴ + 9⁴ .

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

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432743) 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, 216374 + 216375.

It is an arithmetic number, because the mean of its divisors is an integer number (216375).

2⁴³²⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

432749 is a deficient number, since it is larger than the sum of its proper divisors (1).

432749 is an equidigital number, since it uses as much as digits as its factorization.

432749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 432749 is about 657.8366058529. The cubic root of 432749 is about 75.6389266977.

The spelling of 432749 in words is "four hundred thirty-two thousand, seven hundred forty-nine".