3898318652 has 12 divisors (see below), whose sum is σ = 6829585560. Its totient is φ = 1947008496.

The previous prime is 3898318621. The next prime is 3898318657. The reversal of 3898318652 is 2568138983.

It is a junction number, because it is equal to n+sod(n) for n = 3898318594 and 3898318603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898318657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533627 + ... + 540882.

It is an arithmetic number, because the mean of its divisors is an integer number (569132130).

Almost surely, 2^3898318652 is an apocalyptic number.

It is an amenable number.

3898318652 is a deficient number, since it is larger than the sum of its proper divisors (2931266908).

3898318652 is a wasteful number, since it uses less digits than its factorization.

3898318652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075420 (or 1075418 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 3898318652 is about 62436.5169752445. The cubic root of 3898318652 is about 1573.8346837608.

The spelling of 3898318652 in words is "three billion, eight hundred ninety-eight million, three hundred eighteen thousand, six hundred fifty-two".