363899 has 4 divisors (see below), whose sum is σ = 367536. Its totient is φ = 360264.

The previous prime is 363889. The next prime is 363901. The reversal of 363899 is 998363.

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: 998363 = 157 ⋅6359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-363899 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 363899.

It is not an unprimeable number, because it can be changed into a prime (363809) 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, 1664 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (91884).

2³⁶³⁸⁹⁹ is an apocalyptic number.

363899 is a deficient number, since it is larger than the sum of its proper divisors (3637).

363899 is a wasteful number, since it uses less digits than its factorization.

363899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636.

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

The square root of 363899 is about 603.2404164179. The cubic root of 363899 is about 71.3937653280.

The spelling of 363899 in words is "three hundred sixty-three thousand, eight hundred ninety-nine".