675398 has 8 divisors (see below), whose sum is σ = 1040592. Its totient is φ = 328536.

The previous prime is 675391. The next prime is 675407. The reversal of 675398 is 893576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

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 675398.

It is not an unprimeable number, because it can be changed into a prime (675391) by changing a digit.

675398 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 3 ways as a sum of consecutive naturals, for example, 4490 + ... + 4637.

It is an arithmetic number, because the mean of its divisors is an integer number (130074).

2⁶⁷⁵³⁹⁸ is an apocalyptic number.

675398 is a deficient number, since it is larger than the sum of its proper divisors (365194).

675398 is a wasteful number, since it uses less digits than its factorization.

675398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166.

The product of its digits is 45360, while the sum is 38.

The square root of 675398 is about 821.8260156505. The cubic root of 675398 is about 87.7377696339.

The spelling of 675398 in words is "six hundred seventy-five thousand, three hundred ninety-eight".