3654059688 has 80 divisors (see below), whose sum is σ = 10243860000. Its totient is φ = 1216936224.

The previous prime is 3654059681. The next prime is 3654059693. The reversal of 3654059688 is 8869504563.

It is a happy number.

3654059688 is a `hidden beast` number, since 3 + 6 + 5 + 40 + 596 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3654059681) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1099293 + ... + 1102611.

It is an arithmetic number, because the mean of its divisors is an integer number (128048250).

Almost surely, 2^3654059688 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 3654059688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5121930000).

3654059688 is an abundant number, since it is smaller than the sum of its proper divisors (6589800312).

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

3654059688 is a wasteful number, since it uses less digits than its factorization.

3654059688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The square root of 3654059688 is about 60448.8187477638. The cubic root of 3654059688 is about 1540.2523463468.

The spelling of 3654059688 in words is "three billion, six hundred fifty-four million, fifty-nine thousand, six hundred eighty-eight".