3821619804 has 24 divisors (see below), whose sum is σ = 8924391168. Its totient is φ = 1272833520.

The previous prime is 3821619761. The next prime is 3821619821. The reversal of 3821619804 is 4089161283.

3821619804 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114582 + ... + 144125.

It is an arithmetic number, because the mean of its divisors is an integer number (371849632).

Almost surely, 2^3821619804 is an apocalyptic number.

It is an amenable number.

3821619804 is an abundant number, since it is smaller than the sum of its proper divisors (5102771364).

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

3821619804 is a wasteful number, since it uses less digits than its factorization.

3821619804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259945 (or 259943 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 3821619804 is about 61819.2510792552. The cubic root of 3821619804 is about 1563.4445860890. Note that the first 3 decimals are identical.

The spelling of 3821619804 in words is "three billion, eight hundred twenty-one million, six hundred nineteen thousand, eight hundred four".