230028394 has 12 divisors (see below), whose sum is σ = 366534054. Its totient is φ = 108248384.

The previous prime is 230028389. The next prime is 230028413. The reversal of 230028394 is 493820032.

It can be written as a sum of positive squares in 3 ways, for example, as 194184225 + 35844169 = 13935^2 + 5987^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198409 + ... + 199564.

Almost surely, 2^230028394 is an apocalyptic number.

230028394 is a deficient number, since it is larger than the sum of its proper divisors (136505660).

230028394 is a wasteful number, since it uses less digits than its factorization.

230028394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398009 (or 397992 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 230028394 is about 15166.6869816714. The cubic root of 230028394 is about 612.7177792285.

The spelling of 230028394 in words is "two hundred thirty million, twenty-eight thousand, three hundred ninety-four".