3896906988 has 24 divisors (see below), whose sum is σ = 9792228208. Its totient is φ = 1199048256.

The previous prime is 3896906983. The next prime is 3896907019. The reversal of 3896906988 is 8896096983.

It is not an unprimeable number, because it can be changed into a prime (3896906983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12489931 + ... + 12490242.

Almost surely, 2^3896906988 is an apocalyptic number.

It is an amenable number.

3896906988 is an abundant number, since it is smaller than the sum of its proper divisors (5895321220).

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

3896906988 is a wasteful number, since it uses less digits than its factorization.

3896906988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24980193 (or 24980191 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 66.

The square root of 3896906988 is about 62425.2111570317. The cubic root of 3896906988 is about 1573.6446878339.

The spelling of 3896906988 in words is "three billion, eight hundred ninety-six million, nine hundred six thousand, nine hundred eighty-eight".