390228199 has 4 divisors (see below), whose sum is σ = 390267864. Its totient is φ = 390188536.

The previous prime is 390228191. The next prime is 390228221. The reversal of 390228199 is 991822093.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 991822093 = 13553 ⋅73181.

It is a cyclic number.

It is not a de Polignac number, because 390228199 - 2³ = 390228191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390228191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7284 + ... + 28870.

It is an arithmetic number, because the mean of its divisors is an integer number (97566966).

Almost surely, 2^390228199 is an apocalyptic number.

390228199 is a deficient number, since it is larger than the sum of its proper divisors (39665).

390228199 is a wasteful number, since it uses less digits than its factorization.

390228199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39664.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 390228199 is about 19754.1944659862. The cubic root of 390228199 is about 730.7568300198.

The spelling of 390228199 in words is "three hundred ninety million, two hundred twenty-eight thousand, one hundred ninety-nine".