270398 has 8 divisors (see below), whose sum is σ = 407808. Its totient is φ = 134464.

The previous prime is 270379. The next prime is 270407. The reversal of 270398 is 893072.

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

It is a self number, because there is not a number n which added to its sum of digits gives 270398.

It is a congruent number.

It is an unprimeable number.

270398 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, 515 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (50976).

2²⁷⁰³⁹⁸ is an apocalyptic number.

270398 is a deficient number, since it is larger than the sum of its proper divisors (137410).

270398 is a wasteful number, since it uses less digits than its factorization.

270398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 270398 is about 519.9980769195. The cubic root of 270398 is about 64.6647830724.

The spelling of 270398 in words is "two hundred seventy thousand, three hundred ninety-eight".