3897473580 has 576 divisors, whose sum is σ = 16108904448. Its totient is φ = 736542720.

The previous prime is 3897473557. The next prime is 3897473599. The reversal of 3897473580 is 853747983.

3897473580 is a `hidden beast` number, since 3 + 8 + 97 + 473 + 5 + 80 = 666.

3897473580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17477349 + ... + 17477571.

It is an arithmetic number, because the mean of its divisors is an integer number (27966848).

Almost surely, 2^3897473580 is an apocalyptic number.

3897473580 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 3897473580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8054452224).

3897473580 is an abundant number, since it is smaller than the sum of its proper divisors (12211430868).

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

3897473580 is a wasteful number, since it uses less digits than its factorization.

3897473580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 3897473580 is about 62429.7491585542. The cubic root of 3897473580 is about 1573.7209509904.

The spelling of 3897473580 in words is "three billion, eight hundred ninety-seven million, four hundred seventy-three thousand, five hundred eighty".