3189686448 has 80 divisors (see below), whose sum is σ = 8882931456. Its totient is φ = 980440320.

The previous prime is 3189686447. The next prime is 3189686449. The reversal of 3189686448 is 8446869813.

It is an interprime number because it is at equal distance from previous prime (3189686447) and next prime (3189686449).

It is not an unprimeable number, because it can be changed into a prime (3189686447) 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, 813613 + ... + 817523.

Almost surely, 2^3189686448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3189686448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4441465728).

3189686448 is an abundant number, since it is smaller than the sum of its proper divisors (5693245008).

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

3189686448 is a wasteful number, since it uses less digits than its factorization.

3189686448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242 (or 5236 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 57.

The square root of 3189686448 is about 56477.3091426991. The cubic root of 3189686448 is about 1472.0277518200.

The spelling of 3189686448 in words is "three billion, one hundred eighty-nine million, six hundred eighty-six thousand, four hundred forty-eight".