340336 has 20 divisors (see below), whose sum is σ = 669600. Its totient is φ = 167552.

The previous prime is 340321. The next prime is 340337. The reversal of 340336 is 633043.

It is a happy number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340337) by changing a digit.

340336 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, 1305 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2³⁴⁰³³⁶ is an apocalyptic number.

It is an amenable number.

340336 is a deficient number, since it is larger than the sum of its proper divisors (329264).

340336 is a wasteful number, since it uses less digits than its factorization.

340336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 340336 is about 583.3832359607. The cubic root of 340336 is about 69.8183042993.

Adding to 340336 its reverse (633043), we get a palindrome (973379).

It can be divided in two parts, 340 and 336, that added together give a palindrome (676).

The spelling of 340336 in words is "three hundred forty thousand, three hundred thirty-six".