384228794 has 16 divisors (see below), whose sum is σ = 606361896. Its totient is φ = 182361600.

The previous prime is 384228751. The next prime is 384228797. The reversal of 384228794 is 497822483.

It can be written as a sum of positive squares in 4 ways, for example, as 261307225 + 122921569 = 16165^2 + 11087^2 .

It is a super-2 number, since 2×384228794² = 295263532277388872, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384228797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60287 + ... + 66354.

Almost surely, 2^384228794 is an apocalyptic number.

384228794 is a deficient number, since it is larger than the sum of its proper divisors (222133102).

384228794 is a wasteful number, since it uses less digits than its factorization.

384228794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126721.

The product of its digits is 774144, while the sum is 47.

The square root of 384228794 is about 19601.7548704191. The cubic root of 384228794 is about 726.9925648226.

The spelling of 384228794 in words is "three hundred eighty-four million, two hundred twenty-eight thousand, seven hundred ninety-four".