340544 has 28 divisors (see below), whose sum is σ = 717804. Its totient is φ = 159744.

The previous prime is 340541. The next prime is 340559. The reversal of 340544 is 445043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102400 + 238144 = 320^2 + 488^2 .

It is a d-powerful number, because it can be written as 3⁵ + 4² + 5⁷ + 0 + 4² + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (340541) 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, 932 + ... + 1244.

2³⁴⁰⁵⁴⁴ is an apocalyptic number.

340544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358902).

340544 is an abundant number, since it is smaller than the sum of its proper divisors (377260).

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

340544 is a wasteful number, since it uses less digits than its factorization.

340544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 340544 is about 583.5614791948. The cubic root of 340544 is about 69.8325248047.

Adding to 340544 its reverse (445043), we get a palindrome (785587).

The spelling of 340544 in words is "three hundred forty thousand, five hundred forty-four".