3686991348 has 48 divisors (see below), whose sum is σ = 9115666560. Its totient is φ = 1155861504.

The previous prime is 3686991337. The next prime is 3686991349. The reversal of 3686991348 is 8431996863.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686991349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312240 + ... + 323832.

It is an arithmetic number, because the mean of its divisors is an integer number (189909720).

Almost surely, 2^3686991348 is an apocalyptic number.

It is an amenable number.

3686991348 is an abundant number, since it is smaller than the sum of its proper divisors (5428675212).

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

3686991348 is a wasteful number, since it uses less digits than its factorization.

3686991348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176 (or 13174 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 3686991348 is about 60720.6006887284. The cubic root of 3686991348 is about 1544.8656122571.

The spelling of 3686991348 in words is "three billion, six hundred eighty-six million, nine hundred ninety-one thousand, three hundred forty-eight".