3688785432 has 48 divisors (see below), whose sum is σ = 9993623640. Its totient is φ = 1229205888.

The previous prime is 3688785431. The next prime is 3688785437. The reversal of 3688785432 is 2345878863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688785431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303423 + ... + 315345.

Almost surely, 2^3688785432 is an apocalyptic number.

It is an amenable number.

3688785432 is an abundant number, since it is smaller than the sum of its proper divisors (6304838208).

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

3688785432 is a wasteful number, since it uses less digits than its factorization.

3688785432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232 (or 16225 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 3688785432 is about 60735.3721648267. The cubic root of 3688785432 is about 1545.1161479904.

The spelling of 3688785432 in words is "three billion, six hundred eighty-eight million, seven hundred eighty-five thousand, four hundred thirty-two".