3686404288 has 28 divisors (see below), whose sum is σ = 8360239312. Its totient is φ = 1579887360.

The previous prime is 3686404283. The next prime is 3686404289. The reversal of 3686404288 is 8824046863.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (3686404283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4113843 + ... + 4114738.

Almost surely, 2^3686404288 is an apocalyptic number.

It is an amenable number.

3686404288 is an abundant number, since it is smaller than the sum of its proper divisors (4673835024).

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

3686404288 is an equidigital number, since it uses as much as digits as its factorization.

3686404288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228600 (or 8228590 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 49.

The square root of 3686404288 is about 60715.7663873232. The cubic root of 3686404288 is about 1544.7836143298.

The spelling of 3686404288 in words is "three billion, six hundred eighty-six million, four hundred four thousand, two hundred eighty-eight".