675428 has 24 divisors (see below), whose sum is σ = 1317120. Its totient is φ = 300960.

The previous prime is 675419. The next prime is 675449. The reversal of 675428 is 824576.

It is a junction number, because it is equal to n+sod(n) for n = 675394 and 675403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675428.

It is an unprimeable number.

675428 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 7 ways as a sum of consecutive naturals, for example, 1403 + ... + 1821.

It is an arithmetic number, because the mean of its divisors is an integer number (54880).

2⁶⁷⁵⁴²⁸ is an apocalyptic number.

It is an amenable number.

675428 is a deficient number, since it is larger than the sum of its proper divisors (641692).

675428 is a wasteful number, since it uses less digits than its factorization.

675428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 675428 is about 821.8442674862. The cubic root of 675428 is about 87.7390686675.

The spelling of 675428 in words is "six hundred seventy-five thousand, four hundred twenty-eight".