432679385 has 4 divisors (see below), whose sum is σ = 519215268. Its totient is φ = 346143504.

The previous prime is 432679349. The next prime is 432679397. The reversal of 432679385 is 583976234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259177801 + 173501584 = 16099^2 + 13172^2 .

It is a cyclic number.

It is not a de Polignac number, because 432679385 - 2¹⁸ = 432417241 is a prime.

It is a super-2 number, since 2×432679385² = 374422900407956450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43267934 + ... + 43267943.

It is an arithmetic number, because the mean of its divisors is an integer number (129803817).

Almost surely, 2^432679385 is an apocalyptic number.

It is an amenable number.

432679385 is a deficient number, since it is larger than the sum of its proper divisors (86535883).

432679385 is an equidigital number, since it uses as much as digits as its factorization.

432679385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86535882.

The product of its digits is 1088640, while the sum is 47.

The square root of 432679385 is about 20800.9467332619. The cubic root of 432679385 is about 756.3487054645.

The spelling of 432679385 in words is "four hundred thirty-two million, six hundred seventy-nine thousand, three hundred eighty-five".