1038890234 has 12 divisors (see below), whose sum is σ = 1595424186. Its totient is φ = 507363192.

The previous prime is 1038890233. The next prime is 1038890249. The reversal of 1038890234 is 4320988301.

It can be written as a sum of positive squares in only one way, i.e., 961186009 + 77704225 = 31003^2 + 8815^2 .

It is not an unprimeable number, because it can be changed into a prime (1038890233) 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 5 ways as a sum of consecutive naturals, for example, 136769 + ... + 144164.

Almost surely, 2^1038890234 is an apocalyptic number.

1038890234 is a deficient number, since it is larger than the sum of its proper divisors (556533952).

1038890234 is an equidigital number, since it uses as much as digits as its factorization.

1038890234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281021 (or 280978 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1038890234 is about 32231.8202092280. The cubic root of 1038890234 is about 1012.7989006061.

The spelling of 1038890234 in words is "one billion, thirty-eight million, eight hundred ninety thousand, two hundred thirty-four".