2004343621 has 8 divisors (see below), whose sum is σ = 2290987904. Its totient is φ = 1717776720.

The previous prime is 2004343609. The next prime is 2004343643. The reversal of 2004343621 is 1263434002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2004343621 - 2¹⁹ = 2003819333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004343661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55456 + ... + 84166.

It is an arithmetic number, because the mean of its divisors is an integer number (286373488).

Almost surely, 2^2004343621 is an apocalyptic number.

It is an amenable number.

2004343621 is a deficient number, since it is larger than the sum of its proper divisors (286644283).

2004343621 is an equidigital number, since it uses as much as digits as its factorization.

2004343621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38691.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2004343621 is about 44769.8963702173. The cubic root of 2004343621 is about 1260.8324936404.

Adding to 2004343621 its reverse (1263434002), we get a palindrome (3267777623).

The spelling of 2004343621 in words is "two billion, four million, three hundred forty-three thousand, six hundred twenty-one".