398170343 has 4 divisors (see below), whose sum is σ = 403778448. Its totient is φ = 392562240.

The previous prime is 398170337. The next prime is 398170373. The reversal of 398170343 is 343071893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 398170343 - 2¹⁰ = 398169319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398170297 and 398170306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398170373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803946 + ... + 2804087.

It is an arithmetic number, because the mean of its divisors is an integer number (100944612).

Almost surely, 2^398170343 is an apocalyptic number.

398170343 is a deficient number, since it is larger than the sum of its proper divisors (5608105).

398170343 is an equidigital number, since it uses as much as digits as its factorization.

398170343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608104.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 398170343 is about 19954.2061480782. The cubic root of 398170343 is about 735.6811634658.

The spelling of 398170343 in words is "three hundred ninety-eight million, one hundred seventy thousand, three hundred forty-three".