3898445804 has 24 divisors (see below), whose sum is σ = 7624015056. Its totient is φ = 1728800000.

The previous prime is 3898445779. The next prime is 3898445809. The reversal of 3898445804 is 4085448983.

It is not an unprimeable number, because it can be changed into a prime (3898445809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078697 + ... + 1082304.

It is an arithmetic number, because the mean of its divisors is an integer number (317667294).

Almost surely, 2^3898445804 is an apocalyptic number.

It is an amenable number.

3898445804 is a deficient number, since it is larger than the sum of its proper divisors (3725569252).

3898445804 is a wasteful number, since it uses less digits than its factorization.

3898445804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161057 (or 2161055 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The square root of 3898445804 is about 62437.5352172073. The cubic root of 3898445804 is about 1573.8517949028.

The spelling of 3898445804 in words is "three billion, eight hundred ninety-eight million, four hundred forty-five thousand, eight hundred four".