432290861 has 2 divisors, whose sum is σ = 432290862. Its totient is φ = 432290860.

The previous prime is 432290851. The next prime is 432290899. The reversal of 432290861 is 168092234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411075625 + 21215236 = 20275^2 + 4606^2 .

It is a cyclic number.

It is not a de Polignac number, because 432290861 - 2¹⁸ = 432028717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432290821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216145430 + 216145431.

It is an arithmetic number, because the mean of its divisors is an integer number (216145431).

Almost surely, 2^432290861 is an apocalyptic number.

It is an amenable number.

432290861 is a deficient number, since it is larger than the sum of its proper divisors (1).

432290861 is an equidigital number, since it uses as much as digits as its factorization.

432290861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 432290861 is about 20791.6055416603. The cubic root of 432290861 is about 756.1222501602.

The spelling of 432290861 in words is "four hundred thirty-two million, two hundred ninety thousand, eight hundred sixty-one".