398833 has 2 divisors, whose sum is σ = 398834. Its totient is φ = 398832.

The previous prime is 398821. The next prime is 398857. The reversal of 398833 is 338893.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277729 + 121104 = 527^2 + 348^2 .

It is an emirp because it is prime and its reverse (338893) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398833 is a prime.

It is not a weakly prime, because it can be changed into another prime (398813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199416 + 199417.

It is an arithmetic number, because the mean of its divisors is an integer number (199417).

2³⁹⁸⁸³³ is an apocalyptic number.

It is an amenable number.

398833 is a deficient number, since it is larger than the sum of its proper divisors (1).

398833 is an equidigital number, since it uses as much as digits as its factorization.

398833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 398833 is about 631.5322636255. The cubic root of 398833 is about 73.6089057631.

The spelling of 398833 in words is "three hundred ninety-eight thousand, eight hundred thirty-three".