1004383044 has 192 divisors, whose sum is σ = 3173990400. Its totient is φ = 268430976.

The previous prime is 1004382989. The next prime is 1004383151. The reversal of 1004383044 is 4403834001.

1004383044 = 372² + 373² + ... + 1452².

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1004382999 and 1004383017.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 816622 + ... + 817850.

It is an arithmetic number, because the mean of its divisors is an integer number (16531200).

Almost surely, 2^1004383044 is an apocalyptic number.

1004383044 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 1004383044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586995200).

1004383044 is an abundant number, since it is smaller than the sum of its proper divisors (2169607356).

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

1004383044 is a wasteful number, since it uses less digits than its factorization.

1004383044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1004383044 is about 31692.0028398333. The cubic root of 1004383044 is about 1001.4588852854.

The spelling of 1004383044 in words is "one billion, four million, three hundred eighty-three thousand, forty-four".