3897704448 has 360 divisors, whose sum is σ = 12881363040. Its totient is φ = 1167851520.

The previous prime is 3897704423. The next prime is 3897704471. The reversal of 3897704448 is 8444077983.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3897704394 and 3897704403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43794388 + ... + 43794476.

It is an arithmetic number, because the mean of its divisors is an integer number (35781564).

Almost surely, 2^3897704448 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 3897704448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6440681520).

3897704448 is an abundant number, since it is smaller than the sum of its proper divisors (8983658592).

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

3897704448 is an frugal number, since it uses more digits than its factorization.

3897704448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 3897704448 is about 62431.5981534992. The cubic root of 3897704448 is about 1573.7520236521.

The spelling of 3897704448 in words is "three billion, eight hundred ninety-seven million, seven hundred four thousand, four hundred forty-eight".