1004334380 has 72 divisors (see below), whose sum is σ = 2538118800. Its totient is φ = 332459904.

The previous prime is 1004334379. The next prime is 1004334391. The reversal of 1004334380 is 834334001.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10751 + ... + 46089.

It is an arithmetic number, because the mean of its divisors is an integer number (35251650).

Almost surely, 2^1004334380 is an apocalyptic number.

1004334380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004334380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269059400).

1004334380 is an abundant number, since it is smaller than the sum of its proper divisors (1533784420).

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

1004334380 is a wasteful number, since it uses less digits than its factorization.

1004334380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35391 (or 35382 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1004334380 is about 31691.2350658664. The cubic root of 1004334380 is about 1001.4427109176.

Adding to 1004334380 its reverse (834334001), we get a palindrome (1838668381).

The spelling of 1004334380 in words is "one billion, four million, three hundred thirty-four thousand, three hundred eighty".