3897632 has 18 divisors (see below), whose sum is σ = 7695513. Its totient is φ = 1943232.

The previous prime is 3897631. The next prime is 3897637. The reversal of 3897632 is 2367983.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3897632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 226576 = 1916^2 + 476^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1396.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3897631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10994 + ... + 11342.

Almost surely, 2^3897632 is an apocalyptic number.

3897632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3897632 is a deficient number, since it is larger than the sum of its proper divisors (3797881).

3897632 is an frugal number, since it uses more digits than its factorization.

3897632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 351 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 3897632 is about 1974.2421330728. The cubic root of 3897632 is about 157.3742272965.

The spelling of 3897632 in words is "three million, eight hundred ninety-seven thousand, six hundred thirty-two".