3897432160 has 24 divisors (see below), whose sum is σ = 9207683856. Its totient is φ = 1558972800.

The previous prime is 3897432109. The next prime is 3897432169. The reversal of 3897432160 is 612347983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897432169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12179316 + ... + 12179635.

It is an arithmetic number, because the mean of its divisors is an integer number (383653494).

Almost surely, 2^3897432160 is an apocalyptic number.

It is an amenable number.

3897432160 is an abundant number, since it is smaller than the sum of its proper divisors (5310251696).

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

3897432160 is a wasteful number, since it uses less digits than its factorization.

3897432160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24358966 (or 24358958 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 3897432160 is about 62429.4174248006. The cubic root of 3897432160 is about 1573.7153761180.

The spelling of 3897432160 in words is "three billion, eight hundred ninety-seven million, four hundred thirty-two thousand, one hundred sixty".