432540993 has 8 divisors (see below), whose sum is σ = 578036800. Its totient is φ = 287702928.

The previous prime is 432540991. The next prime is 432541033. The reversal of 432540993 is 399045234.

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

It is not a de Polignac number, because 432540993 - 2¹ = 432540991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432540991) 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 7 ways as a sum of consecutive naturals, for example, 162898 + ... + 165531.

It is an arithmetic number, because the mean of its divisors is an integer number (72254600).

Almost surely, 2^432540993 is an apocalyptic number.

It is an amenable number.

432540993 is a deficient number, since it is larger than the sum of its proper divisors (145495807).

432540993 is a wasteful number, since it uses less digits than its factorization.

432540993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328871.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 432540993 is about 20797.6198878622. The cubic root of 432540993 is about 756.2680577798.

The spelling of 432540993 in words is "four hundred thirty-two million, five hundred forty thousand, nine hundred ninety-three".