3887921466 has 96 divisors (see below), whose sum is σ = 10064658240. Its totient is φ = 1069056000.

The previous prime is 3887921461. The next prime is 3887921501. The reversal of 3887921466 is 6641297883.

It is not an unprimeable number, because it can be changed into a prime (3887921461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139066 + ... + 164666.

It is an arithmetic number, because the mean of its divisors is an integer number (104840190).

Almost surely, 2^3887921466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3887921466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5032329120).

3887921466 is an abundant number, since it is smaller than the sum of its proper divisors (6176736774).

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

3887921466 is a wasteful number, since it uses less digits than its factorization.

3887921466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25692 (or 25689 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 3887921466 is about 62353.1993244934. The cubic root of 3887921466 is about 1572.4342491441.

The spelling of 3887921466 in words is "three billion, eight hundred eighty-seven million, nine hundred twenty-one thousand, four hundred sixty-six".