3698854668 has 72 divisors (see below), whose sum is σ = 9729720000. Its totient is φ = 1183837536.

The previous prime is 3698854631. The next prime is 3698854693. The reversal of 3698854668 is 8664588963.

3698854668 is a `hidden beast` number, since 3 + 6 + 9 + 88 + 546 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71083 + ... + 111581.

It is an arithmetic number, because the mean of its divisors is an integer number (135135000).

Almost surely, 2^3698854668 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 3698854668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4864860000).

3698854668 is an abundant number, since it is smaller than the sum of its proper divisors (6030865332).

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

3698854668 is a wasteful number, since it uses less digits than its factorization.

3698854668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40611 (or 40606 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 3698854668 is about 60818.2100032548. The cubic root of 3698854668 is about 1546.5207660835.

The spelling of 3698854668 in words is "three billion, six hundred ninety-eight million, eight hundred fifty-four thousand, six hundred sixty-eight".