399301 has 12 divisors (see below), whose sum is σ = 482220. Its totient is φ = 329280.

The previous prime is 399283. The next prime is 399353. The reversal of 399301 is 103993.

It can be written as a sum of positive squares in 2 ways, for example, as 240100 + 159201 = 490^2 + 399^2 .

It is not a de Polignac number, because 399301 - 2⁷ = 399173 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (40185).

2³⁹⁹³⁰¹ is an apocalyptic number.

It is an amenable number.

399301 is a deficient number, since it is larger than the sum of its proper divisors (82919).

399301 is a wasteful number, since it uses less digits than its factorization.

399301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 399301 is about 631.9026823808. The cubic root of 399301 is about 73.6376859813.

The spelling of 399301 in words is "three hundred ninety-nine thousand, three hundred one".