399054 has 8 divisors (see below), whose sum is σ = 798120. Its totient is φ = 133016.

The previous prime is 399043. The next prime is 399059. The reversal of 399054 is 450993.

399054 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.

399054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399059) by changing a digit.

399054 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33249 + ... + 33260.

It is an arithmetic number, because the mean of its divisors is an integer number (99765).

2³⁹⁹⁰⁵⁴ is an apocalyptic number.

399054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399054 is a wasteful number, since it uses less digits than its factorization.

399054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66514.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 399054 is about 631.7072106601. The cubic root of 399054 is about 73.6224992257.

The spelling of 399054 in words is "three hundred ninety-nine thousand, fifty-four".