2003402304 has 168 divisors, whose sum is σ = 6057717120. Its totient is φ = 631775232.

The previous prime is 2003402251. The next prime is 2003402329. The reversal of 2003402304 is 4032043002.

2003402304 is a `hidden beast` number, since 20 + 0 + 340 + 2 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284277 + ... + 1285835.

It is an arithmetic number, because the mean of its divisors is an integer number (36057840).

Almost surely, 2^2003402304 is an apocalyptic number.

2003402304 is a gapful number since it is divisible by the number (24) 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 2003402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028858560).

2003402304 is an abundant number, since it is smaller than the sum of its proper divisors (4054314816).

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

2003402304 is a wasteful number, since it uses less digits than its factorization.

2003402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2003402304 is about 44759.3823013678. The cubic root of 2003402304 is about 1260.6350842255.

Adding to 2003402304 its reverse (4032043002), we get a palindrome (6035445306).

The spelling of 2003402304 in words is "two billion, three million, four hundred two thousand, three hundred four".