350729 has 2 divisors, whose sum is σ = 350730. Its totient is φ = 350728.

The previous prime is 350719. The next prime is 350731. The reversal of 350729 is 927053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 139129 = 460^2 + 373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350729 is a prime.

Together with 350731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 350698 and 350707.

It is not a weakly prime, because it can be changed into another prime (350719) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175364 + 175365.

It is an arithmetic number, because the mean of its divisors is an integer number (175365).

2³⁵⁰⁷²⁹ is an apocalyptic number.

It is an amenable number.

350729 is a deficient number, since it is larger than the sum of its proper divisors (1).

350729 is an equidigital number, since it uses as much as digits as its factorization.

350729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 350729 is about 592.2237752742. The cubic root of 350729 is about 70.5218817780.

Subtracting from 350729 its sum of digits (26), we obtain a triangular number (350703 = T₈₃₇).

The spelling of 350729 in words is "three hundred fifty thousand, seven hundred twenty-nine".