399060 has 48 divisors (see below), whose sum is σ = 1243200. Its totient is φ = 106272.

The previous prime is 399059. The next prime is 399067. The reversal of 399060 is 60993.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (25900).

2³⁹⁹⁰⁶⁰ is an apocalyptic number.

399060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621600).

399060 is an abundant number, since it is smaller than the sum of its proper divisors (844140).

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

399060 is a wasteful number, since it uses less digits than its factorization.

399060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 399060 is about 631.7119596778. The cubic root of 399060 is about 73.6228682090.

The spelling of 399060 in words is "three hundred ninety-nine thousand, sixty".