399094 has 16 divisors (see below), whose sum is σ = 637056. Its totient is φ = 187200.

The previous prime is 399079. The next prime is 399097. The reversal of 399094 is 490993.

399094 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399097) 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 7 ways as a sum of consecutive naturals, for example, 2464 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (39816).

2³⁹⁹⁰⁹⁴ is an apocalyptic number.

399094 is a deficient number, since it is larger than the sum of its proper divisors (237962).

399094 is a wasteful number, since it uses less digits than its factorization.

399094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 399094 is about 631.7388701038. The cubic root of 399094 is about 73.6249590444.

The spelling of 399094 in words is "three hundred ninety-nine thousand, ninety-four".