3897633320 has 64 divisors (see below), whose sum is σ = 10065669120. Its totient is φ = 1330573824.

The previous prime is 3897633293. The next prime is 3897633323. The reversal of 3897633320 is 233367983.

It is not an unprimeable number, because it can be changed into a prime (3897633323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35369 + ... + 95111.

It is an arithmetic number, because the mean of its divisors is an integer number (157276080).

Almost surely, 2^3897633320 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 3897633320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5032834560).

3897633320 is an abundant number, since it is smaller than the sum of its proper divisors (6168035800).

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

3897633320 is a wasteful number, since it uses less digits than its factorization.

3897633320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59994 (or 59990 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 44.

The square root of 3897633320 is about 62431.0285034613. The cubic root of 3897633320 is about 1573.7424506230.

The spelling of 3897633320 in words is "three billion, eight hundred ninety-seven million, six hundred thirty-three thousand, three hundred twenty".