398284 has 6 divisors (see below), whose sum is σ = 697004. Its totient is φ = 199140.

The previous prime is 398273. The next prime is 398287. The reversal of 398284 is 482893.

It is a d-powerful number, because it can be written as 3⁵ + 9³ + 2¹⁶ + 8⁴ + 8⁶ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (398287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49782 + ... + 49789.

2³⁹⁸²⁸⁴ is an apocalyptic number.

It is an amenable number.

398284 is a deficient number, since it is larger than the sum of its proper divisors (298720).

398284 is a wasteful number, since it uses less digits than its factorization.

398284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99575 (or 99573 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 398284 is about 631.0974568163. The cubic root of 398284 is about 73.5751156423.

The spelling of 398284 in words is "three hundred ninety-eight thousand, two hundred eighty-four".