432497661 has 8 divisors (see below), whose sum is σ = 576794784. Its totient is φ = 288266160.

The previous prime is 432497657. The next prime is 432497701. The reversal of 432497661 is 166794234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 432497661 - 2² = 432497657 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432497161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891 + ... + 29471.

It is an arithmetic number, because the mean of its divisors is an integer number (72099348).

Almost surely, 2^432497661 is an apocalyptic number.

It is an amenable number.

432497661 is a deficient number, since it is larger than the sum of its proper divisors (144297123).

432497661 is a wasteful number, since it uses less digits than its factorization.

432497661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32811.

The product of its digits is 217728, while the sum is 42.

The square root of 432497661 is about 20796.5781079484. The cubic root of 432497661 is about 756.2428025998.

The spelling of 432497661 in words is "four hundred thirty-two million, four hundred ninety-seven thousand, six hundred sixty-one".