398343 has 8 divisors (see below), whose sum is σ = 579456. Its totient is φ = 241400.

The previous prime is 398341. The next prime is 398347. The reversal of 398343 is 343893.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 398343 - 2¹ = 398341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6003 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (72432).

2³⁹⁸³⁴³ is an apocalyptic number.

398343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

398343 is a deficient number, since it is larger than the sum of its proper divisors (181113).

398343 is a wasteful number, since it uses less digits than its factorization.

398343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085.

The product of its digits is 7776, while the sum is 30.

The square root of 398343 is about 631.1441990544. The cubic root of 398343 is about 73.5787484918.

It can be divided in two parts, 398 and 343, that added together give a triangular number (741 = T₃₈).

The spelling of 398343 in words is "three hundred ninety-eight thousand, three hundred forty-three".