398030 has 16 divisors (see below), whose sum is σ = 730944. Its totient is φ = 156000.

The previous prime is 398029. The next prime is 398033. The reversal of 398030 is 30893.

It is a junction number, because it is equal to n+sod(n) for n = 397987 and 398005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 905.

It is an arithmetic number, because the mean of its divisors is an integer number (45684).

2³⁹⁸⁰³⁰ is an apocalyptic number.

398030 is a deficient number, since it is larger than the sum of its proper divisors (332914).

398030 is a wasteful number, since it uses less digits than its factorization.

398030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 398030 is about 630.8961879739. The cubic root of 398030 is about 73.5594718191.

The spelling of 398030 in words is "three hundred ninety-eight thousand, thirty".