354239 has 4 divisors (see below), whose sum is σ = 361824. Its totient is φ = 346656.

The previous prime is 354209. The next prime is 354247. The reversal of 354239 is 932453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932453 = 89 ⋅10477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354239 is a prime.

It is a super-3 number, since 3×354239³ = 133355328744461757, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354239.

It is not an unprimeable number, because it can be changed into a prime (354209) 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, 3722 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (90456).

2³⁵⁴²³⁹ is an apocalyptic number.

354239 is a deficient number, since it is larger than the sum of its proper divisors (7585).

354239 is an equidigital number, since it uses as much as digits as its factorization.

354239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584.

The product of its digits is 3240, while the sum is 26.

The square root of 354239 is about 595.1798047649. The cubic root of 354239 is about 70.7563558991.

The spelling of 354239 in words is "three hundred fifty-four thousand, two hundred thirty-nine".