390398227 has 4 divisors (see below), whose sum is σ = 390454560. Its totient is φ = 390341896.

The previous prime is 390398189. The next prime is 390398237. The reversal of 390398227 is 722893093.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 390398227 - 2¹¹ = 390396179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390398237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16027 + ... + 32212.

It is an arithmetic number, because the mean of its divisors is an integer number (97613640).

Almost surely, 2^390398227 is an apocalyptic number.

390398227 is a deficient number, since it is larger than the sum of its proper divisors (56333).

390398227 is an equidigital number, since it uses as much as digits as its factorization.

390398227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56332.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 390398227 is about 19758.4975896448. The cubic root of 390398227 is about 730.8629483384.

It can be divided in two parts, 390398 and 227, that added together give a 8-th power (390625 = 5⁸).

The spelling of 390398227 in words is "three hundred ninety million, three hundred ninety-eight thousand, two hundred twenty-seven".