1004798844 has 120 divisors (see below), whose sum is σ = 3105711840. Its totient is φ = 277167744.

The previous prime is 1004798843. The next prime is 1004798881. The reversal of 1004798844 is 4488974001.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1004798844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004798843) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 58134 + ... + 73410.

It is an arithmetic number, because the mean of its divisors is an integer number (25880932).

Almost surely, 2^1004798844 is an apocalyptic number.

1004798844 is a gapful number since it is divisible by the number (14) 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 1004798844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552855920).

1004798844 is an abundant number, since it is smaller than the sum of its proper divisors (2100912996).

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

1004798844 is a wasteful number, since it uses less digits than its factorization.

1004798844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15329 (or 15318 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1004798844 is about 31698.5621755940. The cubic root of 1004798844 is about 1001.5970626996.

The spelling of 1004798844 in words is "one billion, four million, seven hundred ninety-eight thousand, eight hundred forty-four".