3804674821 has 4 divisors (see below), whose sum is σ = 3804811200. Its totient is φ = 3804538444.

The previous prime is 3804674773. The next prime is 3804674869. The reversal of 3804674821 is 1284764083.

3804674821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3804674773) and next prime (3804674869).

It is a cyclic number.

It is not a de Polignac number, because 3804674821 - 2⁹ = 3804674309 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 (3804674021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9511 + ... + 87748.

It is an arithmetic number, because the mean of its divisors is an integer number (951202800).

Almost surely, 2^3804674821 is an apocalyptic number.

It is an amenable number.

3804674821 is a deficient number, since it is larger than the sum of its proper divisors (136379).

3804674821 is an equidigital number, since it uses as much as digits as its factorization.

3804674821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136378.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 3804674821 is about 61682.0461803919. The cubic root of 3804674821 is about 1561.1304020669.

The spelling of 3804674821 in words is "three billion, eight hundred four million, six hundred seventy-four thousand, eight hundred twenty-one".