390030 has 16 divisors (see below), whose sum is σ = 936144. Its totient is φ = 104000.

The previous prime is 390001. The next prime is 390043. The reversal of 390030 is 30093.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 389991 and 390009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6471 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (58509).

2³⁹⁰⁰³⁰ is an apocalyptic number.

390030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

390030 is an abundant number, since it is smaller than the sum of its proper divisors (546114).

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

390030 is a wasteful number, since it uses less digits than its factorization.

390030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13011.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 390030 is about 624.5238186010. The cubic root of 390030 is about 73.0633090627.

The spelling of 390030 in words is "three hundred ninety thousand, thirty".