363998 has 16 divisors (see below), whose sum is σ = 586656. Its totient is φ = 168960.

The previous prime is 363989. The next prime is 364027. The reversal of 363998 is 899363.

It is a happy number.

363998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a plaindrome in base 16.

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 363998.

It is an unprimeable number.

363998 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 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (36666).

2³⁶³⁹⁹⁸ is an apocalyptic number.

363998 is a deficient number, since it is larger than the sum of its proper divisors (222658).

363998 is a wasteful number, since it uses less digits than its factorization.

363998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its digits is 34992, while the sum is 38.

The square root of 363998 is about 603.3224676738. The cubic root of 363998 is about 71.4002390491.

It can be divided in two parts, 36399 and 8, that multiplied together give a palindrome (291192).

The spelling of 363998 in words is "three hundred sixty-three thousand, nine hundred ninety-eight".