1000305404 has 36 divisors (see below), whose sum is σ = 2049369336. Its totient is φ = 425958624.

The previous prime is 1000305403. The next prime is 1000305433. The reversal of 1000305404 is 4045030001.

It is a super-2 number, since 2×1000305404² = 2001221802543206432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000305403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14519 + ... + 47025.

It is an arithmetic number, because the mean of its divisors is an integer number (56926926).

Almost surely, 2^1000305404 is an apocalyptic number.

1000305404 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 1000305404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024684668).

1000305404 is an abundant number, since it is smaller than the sum of its proper divisors (1049063932).

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

1000305404 is a wasteful number, since it uses less digits than its factorization.

1000305404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32682 (or 32673 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000305404 is about 31627.6050942843. The cubic root of 1000305404 is about 1000.1017909716.

Adding to 1000305404 its reverse (4045030001), we get a palindrome (5045335405).

The spelling of 1000305404 in words is "one billion, three hundred five thousand, four hundred four".