350724 has 24 divisors (see below), whose sum is σ = 893088. Its totient is φ = 106240.

The previous prime is 350719. The next prime is 350729. The reversal of 350724 is 427053.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (350719) and next prime (350729).

It is a self number, because there is not a number n which added to its sum of digits gives 350724.

It is not an unprimeable number, because it can be changed into a prime (350729) by changing a digit.

350724 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (37212).

2³⁵⁰⁷²⁴ is an apocalyptic number.

It is an amenable number.

350724 is an abundant number, since it is smaller than the sum of its proper divisors (542364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

350724 is a wasteful number, since it uses less digits than its factorization.

350724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 350724 is about 592.2195538818. The cubic root of 350724 is about 70.5215466559.

Subtracting from 350724 its sum of digits (21), we obtain a triangular number (350703 = T₈₃₇).

Adding to 350724 its reverse (427053), we get a palindrome (777777).

The spelling of 350724 in words is "three hundred fifty thousand, seven hundred twenty-four".