340576 has 24 divisors (see below), whose sum is σ = 695520. Its totient is φ = 163968.

The previous prime is 340573. The next prime is 340577. The reversal of 340576 is 675043.

It is a self number, because there is not a number n which added to its sum of digits gives 340576.

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 340576.

It is not an unprimeable number, because it can be changed into a prime (340573) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 745 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2³⁴⁰⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347760).

340576 is an abundant number, since it is smaller than the sum of its proper divisors (354944).

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

340576 is a wasteful number, since it uses less digits than its factorization.

340576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 340576 is about 583.5888963988. The cubic root of 340576 is about 69.8347120608.

It can be divided in two parts, 3405 and 76, that added together give a square (3481 = 59²).

The spelling of 340576 in words is "three hundred forty thousand, five hundred seventy-six".