339724 has 24 divisors (see below), whose sum is σ = 741888. Its totient is φ = 132240.

The previous prime is 339707. The next prime is 339727. The reversal of 339724 is 427933.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 339692 and 339701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339727) 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, 244 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (30912).

2³³⁹⁷²⁴ is an apocalyptic number.

It is an amenable number.

339724 is an abundant number, since it is smaller than the sum of its proper divisors (402164).

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

339724 is a wasteful number, since it uses less digits than its factorization.

339724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1123 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 339724 is about 582.8584733878. The cubic root of 339724 is about 69.7764295639.

Subtracting 339724 from its reverse (427933), we obtain a square (88209 = 297²).

The spelling of 339724 in words is "three hundred thirty-nine thousand, seven hundred twenty-four".