390322265 has 4 divisors (see below), whose sum is σ = 468386724. Its totient is φ = 312257808.

The previous prime is 390322237. The next prime is 390322279. The reversal of 390322265 is 562223093.

390322265 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 267289801 + 123032464 = 16349^2 + 11092^2 .

It is a cyclic number.

It is not a de Polignac number, because 390322265 - 2⁶ = 390322201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39032222 + ... + 39032231.

It is an arithmetic number, because the mean of its divisors is an integer number (117096681).

Almost surely, 2^390322265 is an apocalyptic number.

It is an amenable number.

390322265 is a deficient number, since it is larger than the sum of its proper divisors (78064459).

390322265 is an equidigital number, since it uses as much as digits as its factorization.

390322265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78064458.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 390322265 is about 19756.5752345896. The cubic root of 390322265 is about 730.8155425455.

The spelling of 390322265 in words is "three hundred ninety million, three hundred twenty-two thousand, two hundred sixty-five".