344528 has 20 divisors (see below), whose sum is σ = 680388. Its totient is φ = 168960.

The previous prime is 344497. The next prime is 344543. The reversal of 344528 is 825443.

It can be written as a sum of positive squares in 2 ways, for example, as 61504 + 283024 = 248^2 + 532^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3⁷ + 4² + 5⁷ + 4⁹ + 2¹¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 344497 and 344506.

It is a congruent number.

It is an unprimeable number.

344528 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 800 + ... + 1152.

2³⁴⁴⁵²⁸ is an apocalyptic number.

It is an amenable number.

344528 is a deficient number, since it is larger than the sum of its proper divisors (335860).

344528 is a wasteful number, since it uses less digits than its factorization.

344528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 416 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 344528 is about 586.9650756221. The cubic root of 344528 is about 70.1037916065.

The spelling of 344528 in words is "three hundred forty-four thousand, five hundred twenty-eight".