3984577 has 4 divisors (see below), whose sum is σ = 4004800. Its totient is φ = 3964356.

The previous prime is 3984521. The next prime is 3984587. The reversal of 3984577 is 7754893.

It is a happy number.

3984577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3984577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984517) 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 3 ways as a sum of consecutive naturals, for example, 9813 + ... + 10210.

It is an arithmetic number, because the mean of its divisors is an integer number (1001200).

Almost surely, 2^3984577 is an apocalyptic number.

It is an amenable number.

3984577 is a deficient number, since it is larger than the sum of its proper divisors (20223).

3984577 is a wasteful number, since it uses less digits than its factorization.

3984577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222.

The product of its digits is 211680, while the sum is 43.

The square root of 3984577 is about 1996.1405261153. The cubic root of 3984577 is about 158.5358216958.

The spelling of 3984577 in words is "three million, nine hundred eighty-four thousand, five hundred seventy-seven".