4004572 has 24 divisors (see below), whose sum is σ = 8234352. Its totient is φ = 1680000.

The previous prime is 4004527. The next prime is 4004579. The reversal of 4004572 is 2754004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004579) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (343098).

Almost surely, 2^4004572 is an apocalyptic number.

It is an amenable number.

4004572 is an abundant number, since it is smaller than the sum of its proper divisors (4229780).

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

4004572 is a wasteful number, since it uses less digits than its factorization.

4004572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4004572 is about 2001.1426735743. The cubic root of 4004572 is about 158.8005621486.

Adding to 4004572 its reverse (2754004), we get a palindrome (6758576).

The spelling of 4004572 in words is "four million, four thousand, five hundred seventy-two".