3688412658 has 64 divisors (see below), whose sum is σ = 8903331840. Its totient is φ = 995110272.

The previous prime is 3688412657. The next prime is 3688412683. The reversal of 3688412658 is 8562148863.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3688412658.

It is not an unprimeable number, because it can be changed into a prime (3688412657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242391 + ... + 257157.

It is an arithmetic number, because the mean of its divisors is an integer number (139114560).

Almost surely, 2^3688412658 is an apocalyptic number.

3688412658 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3688412658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4451665920).

3688412658 is an abundant number, since it is smaller than the sum of its proper divisors (5214919182).

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

3688412658 is a wasteful number, since it uses less digits than its factorization.

3688412658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15111.

The product of its digits is 2211840, while the sum is 51.

The square root of 3688412658 is about 60732.3032495887. The cubic root of 3688412658 is about 1545.0640984707.

The spelling of 3688412658 in words is "three billion, six hundred eighty-eight million, four hundred twelve thousand, six hundred fifty-eight".