3988646104 has 8 divisors (see below), whose sum is σ = 7478711460. Its totient is φ = 1994323048.

The previous prime is 3988646083. The next prime is 3988646107. The reversal of 3988646104 is 4016468893.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988646107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249290374 + ... + 249290389.

Almost surely, 2^3988646104 is an apocalyptic number.

It is an amenable number.

3988646104 is a deficient number, since it is larger than the sum of its proper divisors (3490065356).

3988646104 is a wasteful number, since it uses less digits than its factorization.

3988646104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498580769 (or 498580765 counting only the distinct ones).

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

The square root of 3988646104 is about 63155.7289879548. The cubic root of 3988646104 is about 1585.8976964533.

The spelling of 3988646104 in words is "three billion, nine hundred eighty-eight million, six hundred forty-six thousand, one hundred four".