340328 has 16 divisors (see below), whose sum is σ = 672000. Its totient is φ = 161136.

The previous prime is 340321. The next prime is 340337. The reversal of 340328 is 823043.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340328.

It is not an unprimeable number, because it can be changed into a prime (340321) by changing a digit.

340328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2³⁴⁰³²⁸ is an apocalyptic number.

340328 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

340328 is a deficient number, since it is larger than the sum of its proper divisors (331672).

340328 is a wasteful number, since it uses less digits than its factorization.

340328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 340328 is about 583.3763793641. The cubic root of 340328 is about 69.8177572411.

The spelling of 340328 in words is "three hundred forty thousand, three hundred twenty-eight".