398246 has 8 divisors (see below), whose sum is σ = 601344. Its totient is φ = 197800.

The previous prime is 398227. The next prime is 398249. The reversal of 398246 is 642893.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398249) by changing a digit.

398246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (75168).

2³⁹⁸²⁴⁶ is an apocalyptic number.

398246 is a deficient number, since it is larger than the sum of its proper divisors (203098).

398246 is a wasteful number, since it uses less digits than its factorization.

398246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 10368, while the sum is 32.

The square root of 398246 is about 631.0673498130. The cubic root of 398246 is about 73.5727756510.

Adding to 398246 its sum of digits (32), we get a triangular number (398278 = T₈₉₂).

The spelling of 398246 in words is "three hundred ninety-eight thousand, two hundred forty-six".