1398119338 has 64 divisors (see below), whose sum is σ = 2782688256. Its totient is φ = 510048000.

The previous prime is 1398119263. The next prime is 1398119339. The reversal of 1398119338 is 8339118931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1398119339) 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 31 ways as a sum of consecutive naturals, for example, 551133 + ... + 553663.

It is an arithmetic number, because the mean of its divisors is an integer number (43479504).

Almost surely, 2^1398119338 is an apocalyptic number.

1398119338 is a deficient number, since it is larger than the sum of its proper divisors (1384568918).

1398119338 is a wasteful number, since it uses less digits than its factorization.

1398119338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its digits is 139968, while the sum is 46.

The square root of 1398119338 is about 37391.4340190370. The cubic root of 1398119338 is about 1118.1877948068.

The spelling of 1398119338 in words is "one billion, three hundred ninety-eight million, one hundred nineteen thousand, three hundred thirty-eight".