3897544 has 32 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 1647360.

The previous prime is 3897521. The next prime is 3897559. The reversal of 3897544 is 4457983.

It is a junction number, because it is equal to n+sod(n) for n = 3897497 and 3897506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984 + ... + 4864.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^3897544 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 3897544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).

3897544 is an abundant number, since it is smaller than the sum of its proper divisors (4569656).

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

3897544 is a wasteful number, since it uses less digits than its factorization.

3897544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 969 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 3897544 is about 1974.2198459138. The cubic root of 3897544 is about 157.3730428990.

The spelling of 3897544 in words is "three million, eight hundred ninety-seven thousand, five hundred forty-four".