3897776 has 20 divisors (see below), whose sum is σ = 7681800. Its totient is φ = 1915392.

The previous prime is 3897749. The next prime is 3897797. The reversal of 3897776 is 6777983.

It is a self number, because there is not a number n which added to its sum of digits gives 3897776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (384090).

Almost surely, 2^3897776 is an apocalyptic number.

It is an amenable number.

3897776 is a deficient number, since it is larger than the sum of its proper divisors (3784024).

3897776 is a wasteful number, since it uses less digits than its factorization.

3897776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4190 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 3897776 is about 1974.2786024267. The cubic root of 3897776 is about 157.3761653629.

The spelling of 3897776 in words is "three million, eight hundred ninety-seven thousand, seven hundred seventy-six".