3686122320 has 40 divisors (see below), whose sum is σ = 11426979936. Its totient is φ = 982965888.

The previous prime is 3686122309. The next prime is 3686122337. The reversal of 3686122320 is 232216863.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7679182 + ... + 7679661.

Almost surely, 2^3686122320 is an apocalyptic number.

3686122320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3686122320 is an abundant number, since it is smaller than the sum of its proper divisors (7740857616).

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

3686122320 is a wasteful number, since it uses less digits than its factorization.

3686122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15358859 (or 15358853 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 3686122320 is about 60713.4443101361. Note that the first 3 decimals coincide. The cubic root of 3686122320 is about 1544.7442272000.

The spelling of 3686122320 in words is "three billion, six hundred eighty-six million, one hundred twenty-two thousand, three hundred twenty".