399010 has 8 divisors (see below), whose sum is σ = 718236. Its totient is φ = 159600.

The previous prime is 398989. The next prime is 399023. The reversal of 399010 is 10993.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 49729 = 591^2 + 223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

399010 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, 19941 + ... + 19960.

2³⁹⁹⁰¹⁰ is an apocalyptic number.

399010 is a deficient number, since it is larger than the sum of its proper divisors (319226).

399010 is a wasteful number, since it uses less digits than its factorization.

399010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39908.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 399010 is about 631.6723834394. The cubic root of 399010 is about 73.6197932351.

The spelling of 399010 in words is "three hundred ninety-nine thousand, ten".