398058 has 8 divisors (see below), whose sum is σ = 796128. Its totient is φ = 132684.

The previous prime is 398053. The next prime is 398059. The reversal of 398058 is 850893.

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

398058 is an admirable number.

It is a super-3 number, since 3×398058³ = 189217074938433336, which contains 333 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398058.

It is not an unprimeable number, because it can be changed into a prime (398053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33166 + ... + 33177.

It is an arithmetic number, because the mean of its divisors is an integer number (99516).

2³⁹⁸⁰⁵⁸ is an apocalyptic number.

398058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398058 is a wasteful number, since it uses less digits than its factorization.

398058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66348.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 398058 is about 630.9183782392. The cubic root of 398058 is about 73.5611966614.

The spelling of 398058 in words is "three hundred ninety-eight thousand, fifty-eight".