3897355528 has 32 divisors (see below), whose sum is σ = 7996007520. Its totient is φ = 1766160000.

The previous prime is 3897355523. The next prime is 3897355537. The reversal of 3897355528 is 8255537983.

It is a super-2 number, since 2×3897355528² = 30378760223264317568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3897355523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37773 + ... + 96028.

It is an arithmetic number, because the mean of its divisors is an integer number (249875235).

Almost surely, 2^3897355528 is an apocalyptic number.

It is an amenable number.

3897355528 is an abundant number, since it is smaller than the sum of its proper divisors (4098651992).

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

3897355528 is a wasteful number, since it uses less digits than its factorization.

3897355528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134149 (or 134145 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 55.

The square root of 3897355528 is about 62428.8036726638. The cubic root of 3897355528 is about 1573.7050618271.

The spelling of 3897355528 in words is "three billion, eight hundred ninety-seven million, three hundred fifty-five thousand, five hundred twenty-eight".