398363 has 4 divisors (see below), whose sum is σ = 455280. Its totient is φ = 341448.

The previous prime is 398357. The next prime is 398369. The reversal of 398363 is 363893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363893 = 167 ⋅2179.

It is an interprime number because it is at equal distance from previous prime (398357) and next prime (398369).

It is a cyclic number.

It is not a de Polignac number, because 398363 - 2⁴ = 398347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398369) 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, 28448 + ... + 28461.

It is an arithmetic number, because the mean of its divisors is an integer number (113820).

2³⁹⁸³⁶³ is an apocalyptic number.

398363 is a deficient number, since it is larger than the sum of its proper divisors (56917).

398363 is an equidigital number, since it uses as much as digits as its factorization.

398363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56916.

The product of its digits is 11664, while the sum is 32.

The square root of 398363 is about 631.1600430953. The cubic root of 398363 is about 73.5799798848.

The spelling of 398363 in words is "three hundred ninety-eight thousand, three hundred sixty-three".