399203 has 6 divisors (see below), whose sum is σ = 464436. Its totient is φ = 342132.

The previous prime is 399197. The next prime is 399221. The reversal of 399203 is 302993.

It is not a de Polignac number, because 399203 - 2¹² = 395107 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 399203.

It is not an unprimeable number, because it can be changed into a prime (399263) 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, 4025 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (77406).

2³⁹⁹²⁰³ is an apocalyptic number.

399203 is a deficient number, since it is larger than the sum of its proper divisors (65233).

399203 is an equidigital number, since it uses as much as digits as its factorization.

399203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161 (or 8154 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 399203 is about 631.8251340363. The cubic root of 399203 is about 73.6316612166.

The spelling of 399203 in words is "three hundred ninety-nine thousand, two hundred three".