348729 has 4 divisors (see below), whose sum is σ = 464976. Its totient is φ = 232484.

The previous prime is 348709. The next prime is 348731. The reversal of 348729 is 927843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348729 - 2⁹ = 348217 is a prime.

It is a super-2 number, since 2×348729² = 243223830882, which contains 22 as substring.

It is a D-number.

348729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 348729.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 348729.

It is not an unprimeable number, because it can be changed into a prime (348709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58119 + ... + 58124.

It is an arithmetic number, because the mean of its divisors is an integer number (116244).

2³⁴⁸⁷²⁹ is an apocalyptic number.

It is an amenable number.

348729 is a deficient number, since it is larger than the sum of its proper divisors (116247).

348729 is a wasteful number, since it uses less digits than its factorization.

348729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116246.

The product of its digits is 12096, while the sum is 33.

The square root of 348729 is about 590.5328102654. The cubic root of 348729 is about 70.3875779779.

Adding to 348729 its product of digits (12096), we get a triangular number (360825 = T₈₄₉).

Subtracting from 348729 its product of digits (12096), we obtain a palindrome (336633).

The spelling of 348729 in words is "three hundred forty-eight thousand, seven hundred twenty-nine".