399102 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 120920.

The previous prime is 399101. The next prime is 399107. The reversal of 399102 is 201993.

It is a happy number.

399102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2958 + ... + 3089.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2³⁹⁹¹⁰² is an apocalyptic number.

399102 is an abundant number, since it is smaller than the sum of its proper divisors (471810).

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

399102 is a wasteful number, since it uses less digits than its factorization.

399102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 399102 is about 631.7452018021. The cubic root of 399102 is about 73.6254509885.

The spelling of 399102 in words is "three hundred ninety-nine thousand, one hundred two".