399083 has 4 divisors (see below), whose sum is σ = 408408. Its totient is φ = 389760.

The previous prime is 399079. The next prime is 399097. The reversal of 399083 is 380993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380993 = 149 ⋅2557.

It is a cyclic number.

It is not a de Polignac number, because 399083 - 2² = 399079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598 + ... + 4683.

It is an arithmetic number, because the mean of its divisors is an integer number (102102).

2³⁹⁹⁰⁸³ is an apocalyptic number.

399083 is a deficient number, since it is larger than the sum of its proper divisors (9325).

399083 is an equidigital number, since it uses as much as digits as its factorization.

399083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 399083 is about 631.7301639149. The cubic root of 399083 is about 73.6242826107.

The spelling of 399083 in words is "three hundred ninety-nine thousand, eighty-three".