1004389338 has 8 divisors (see below), whose sum is σ = 2008778688. Its totient is φ = 334796444.

The previous prime is 1004389307. The next prime is 1004389361. The reversal of 1004389338 is 8339834001.

It is a sphenic number, since it is the product of 3 distinct primes.

1004389338 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1004389296 and 1004389305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83699106 + ... + 83699117.

It is an arithmetic number, because the mean of its divisors is an integer number (251097336).

Almost surely, 2^1004389338 is an apocalyptic number.

1004389338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1004389338 is a wasteful number, since it uses less digits than its factorization.

1004389338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167398228.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1004389338 is about 31692.1021391766. The cubic root of 1004389338 is about 1001.4609771729.

The spelling of 1004389338 in words is "one billion, four million, three hundred eighty-nine thousand, three hundred thirty-eight".