340624 has 20 divisors (see below), whose sum is σ = 672700. Its totient is φ = 167040.

The previous prime is 340619. The next prime is 340633. The reversal of 340624 is 426043.

It can be written as a sum of positive squares in 2 ways, for example, as 110224 + 230400 = 332^2 + 480^2 .

It is an unprimeable number.

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, 802 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (33635).

2³⁴⁰⁶²⁴ is an apocalyptic number.

It is an amenable number.

340624 is a deficient number, since it is larger than the sum of its proper divisors (332076).

340624 is a wasteful number, since it uses less digits than its factorization.

340624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340624 is about 583.6300197899. The cubic root of 340624 is about 69.8379926881.

Adding to 340624 its reverse (426043), we get a palindrome (766667).

The spelling of 340624 in words is "three hundred forty thousand, six hundred twenty-four".