398335 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 258336.

The previous prime is 398323. The next prime is 398339. The reversal of 398335 is 533893.

It is a cyclic number.

It is not a de Polignac number, because 398335 - 2⁵ = 398303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398297 and 398306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2³⁹⁸³³⁵ is an apocalyptic number.

398335 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

398335 is a deficient number, since it is larger than the sum of its proper divisors (177665).

398335 is a wasteful number, since it uses less digits than its factorization.

398335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its digits is 9720, while the sum is 31.

The square root of 398335 is about 631.1378613267. The cubic root of 398335 is about 73.5782559231.

The spelling of 398335 in words is "three hundred ninety-eight thousand, three hundred thirty-five".