398214 has 12 divisors (see below), whose sum is σ = 862836. Its totient is φ = 132732.

The previous prime is 398213. The next prime is 398219. The reversal of 398214 is 412893.

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398214.

It is not an unprimeable number, because it can be changed into a prime (398213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11044 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (71903).

2³⁹⁸²¹⁴ is an apocalyptic number.

398214 is an abundant number, since it is smaller than the sum of its proper divisors (464622).

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

398214 is a wasteful number, since it uses less digits than its factorization.

398214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131 (or 22128 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 398214 is about 631.0419954330. The cubic root of 398214 is about 73.5708050165.

The spelling of 398214 in words is "three hundred ninety-eight thousand, two hundred fourteen".