3881248986 has 32 divisors (see below), whose sum is σ = 7869173760. Its totient is φ = 1276005744.

The previous prime is 3881248981. The next prime is 3881248991. The reversal of 3881248986 is 6898421883.

It is an interprime number because it is at equal distance from previous prime (3881248981) and next prime (3881248991).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3881248981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500011 + ... + 507713.

It is an arithmetic number, because the mean of its divisors is an integer number (245911680).

Almost surely, 2^3881248986 is an apocalyptic number.

3881248986 is an abundant number, since it is smaller than the sum of its proper divisors (3987924774).

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

3881248986 is a wasteful number, since it uses less digits than its factorization.

3881248986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850.

The product of its digits is 5308416, while the sum is 57.

The square root of 3881248986 is about 62299.6708338014. The cubic root of 3881248986 is about 1571.5341928998.

The spelling of 3881248986 in words is "three billion, eight hundred eighty-one million, two hundred forty-eight thousand, nine hundred eighty-six".