3897179520 has 256 divisors, whose sum is σ = 13463755200. Its totient is φ = 953155584.

The previous prime is 3897179513. The next prime is 3897179527. The reversal of 3897179520 is 259717983.

It is an interprime number because it is at equal distance from previous prime (3897179513) and next prime (3897179527).

It is a super-2 number, since 2×3897179520² = 30376016422214860800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897179527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4816876 + ... + 4817684.

Almost surely, 2^3897179520 is an apocalyptic number.

3897179520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3897179520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6731877600).

3897179520 is an abundant number, since it is smaller than the sum of its proper divisors (9566575680).

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

3897179520 is a wasteful number, since it uses less digits than its factorization.

3897179520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 3897179520 is about 62427.3939869349. The cubic root of 3897179520 is about 1573.6813715028.

The spelling of 3897179520 in words is "three billion, eight hundred ninety-seven million, one hundred seventy-nine thousand, five hundred twenty".