4004995 has 4 divisors (see below), whose sum is σ = 4806000. Its totient is φ = 3203992.

The previous prime is 4004989. The next prime is 4005019. The reversal of 4004995 is 5994004.

It is a happy number.

4004995 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.

It is a cyclic number.

It is not a de Polignac number, because 4004995 - 2⁷ = 4004867 is a prime.

It is an unprimeable number.

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, 400495 + ... + 400504.

It is an arithmetic number, because the mean of its divisors is an integer number (1201500).

Almost surely, 2^4004995 is an apocalyptic number.

4004995 is a deficient number, since it is larger than the sum of its proper divisors (801005).

4004995 is an equidigital number, since it uses as much as digits as its factorization.

4004995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801004.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4004995 is about 2001.2483603991. The cubic root of 4004995 is about 158.8061532807.

Adding to 4004995 its reverse (5994004), we get a palindrome (9998999).

The spelling of 4004995 in words is "four million, four thousand, nine hundred ninety-five".