390147 has 8 divisors (see below), whose sum is σ = 531456. Its totient is φ = 254472.

The previous prime is 390119. The next prime is 390151. The reversal of 390147 is 741093.

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

It is not a de Polignac number, because 390147 - 2⁶ = 390083 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390147.

It is not an unprimeable number, because it can be changed into a prime (390107) 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, 1243 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (66432).

2³⁹⁰¹⁴⁷ is an apocalyptic number.

390147 is a deficient number, since it is larger than the sum of its proper divisors (141309).

390147 is a wasteful number, since it uses less digits than its factorization.

390147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 390147 is about 624.6174829446. The cubic root of 390147 is about 73.0706141013.

The spelling of 390147 in words is "three hundred ninety thousand, one hundred forty-seven".