1728600231 has 8 divisors (see below), whose sum is σ = 2343864960. Its totient is φ = 1132867832.

The previous prime is 1728600229. The next prime is 1728600271. The reversal of 1728600231 is 1320068271.

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

It is a cyclic number.

It is not a de Polignac number, because 1728600231 - 2¹ = 1728600229 is a prime.

It is a super-2 number, since 2×1728600231² = 5976117517226506722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728600271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4882875 + ... + 4883228.

It is an arithmetic number, because the mean of its divisors is an integer number (292983120).

Almost surely, 2^1728600231 is an apocalyptic number.

1728600231 is a deficient number, since it is larger than the sum of its proper divisors (615264729).

1728600231 is an equidigital number, since it uses as much as digits as its factorization.

1728600231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9766165.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1728600231 is about 41576.4384116774. The cubic root of 1728600231 is about 1200.1389262767.

The spelling of 1728600231 in words is "one billion, seven hundred twenty-eight million, six hundred thousand, two hundred thirty-one".