3898488342666 has 8 divisors (see below), whose sum is σ = 7796976685344. Its totient is φ = 1299496114220.

The previous prime is 3898488342659. The next prime is 3898488342667. The reversal of 3898488342666 is 6662438848983.

It is a sphenic number, since it is the product of 3 distinct primes.

3898488342666 is an admirable number.

It is a super-2 number, since 2×3898488342666² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3898488342667) 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, 324874028550 + ... + 324874028561.

It is an arithmetic number, because the mean of its divisors is an integer number (974622085668).

Almost surely, 2^{3898488342666} is an apocalyptic number.

3898488342666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3898488342666 is a wasteful number, since it uses less digits than its factorization.

3898488342666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649748057116.

The product of its digits is 2293235712, while the sum is 75.

The spelling of 3898488342666 in words is "three trillion, eight hundred ninety-eight billion, four hundred eighty-eight million, three hundred forty-two thousand, six hundred sixty-six".