3898368004 has 6 divisors (see below), whose sum is σ = 6822144014. Its totient is φ = 1949184000.

The previous prime is 3898367981. The next prime is 3898368013. The reversal of 3898368004 is 4008638983.

It can be written as a sum of positive squares in only one way, i.e., 3105832900 + 792535104 = 55730^2 + 28152^2 .

It is a super-2 number, since 2×3898368004² = 30394546189221888032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487295997 + ... + 487296004.

Almost surely, 2^3898368004 is an apocalyptic number.

It is an amenable number.

3898368004 is a deficient number, since it is larger than the sum of its proper divisors (2923776010).

3898368004 is a wasteful number, since it uses less digits than its factorization.

3898368004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974592005 (or 974592003 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 3898368004 is about 62436.9121914273. The cubic root of 3898368004 is about 1573.8413252190.

The spelling of 3898368004 in words is "three billion, eight hundred ninety-eight million, three hundred sixty-eight thousand, four".