1238002398 has 24 divisors (see below), whose sum is σ = 2684518200. Its totient is φ = 412332144.

The previous prime is 1238002397. The next prime is 1238002427. The reversal of 1238002398 is 8932008321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238002397) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4653 + ... + 49976.

It is an arithmetic number, because the mean of its divisors is an integer number (111854925).

Almost surely, 2^1238002398 is an apocalyptic number.

1238002398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1238002398 is an abundant number, since it is smaller than the sum of its proper divisors (1446515802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238002398 is a wasteful number, since it uses less digits than its factorization.

1238002398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55896 (or 55893 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1238002398 is about 35185.2582483062. The cubic root of 1238002398 is about 1073.7598528850.

The spelling of 1238002398 in words is "one billion, two hundred thirty-eight million, two thousand, three hundred ninety-eight".