399038 has 8 divisors (see below), whose sum is σ = 630120. Its totient is φ = 189000.

The previous prime is 399031. The next prime is 399043. The reversal of 399038 is 830993.

399038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 398995 and 399013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399031) by changing a digit.

399038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 5213 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (78765).

2³⁹⁹⁰³⁸ is an apocalyptic number.

399038 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

399038 is a deficient number, since it is larger than the sum of its proper divisors (231082).

399038 is a wasteful number, since it uses less digits than its factorization.

399038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522.

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

The square root of 399038 is about 631.6945464384. The cubic root of 399038 is about 73.6215152521.

The spelling of 399038 in words is "three hundred ninety-nine thousand, thirty-eight".