3653838832 has 80 divisors (see below), whose sum is σ = 8579450880. Its totient is φ = 1471601664.

The previous prime is 3653838829. The next prime is 3653838869. The reversal of 3653838832 is 2388383563.

It is a happy number.

It is a super-2 number, since 2×3653838832² = 26701076420462248448, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1977333 + ... + 1979179.

It is an arithmetic number, because the mean of its divisors is an integer number (107243136).

Almost surely, 2^3653838832 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 3653838832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289725440).

3653838832 is an abundant number, since it is smaller than the sum of its proper divisors (4925612048).

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

3653838832 is a wasteful number, since it uses less digits than its factorization.

3653838832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2912 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 3653838832 is about 60446.9919185397. The cubic root of 3653838832 is about 1540.2213141201.

The spelling of 3653838832 in words is "three billion, six hundred fifty-three million, eight hundred thirty-eight thousand, eight hundred thirty-two".