4004542 has 8 divisors (see below), whose sum is σ = 6091632. Its totient is φ = 1974000.

The previous prime is 4004527. The next prime is 4004579. The reversal of 4004542 is 2454004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13959 + ... + 14242.

It is an arithmetic number, because the mean of its divisors is an integer number (761454).

Almost surely, 2^4004542 is an apocalyptic number.

4004542 is a deficient number, since it is larger than the sum of its proper divisors (2087090).

4004542 is a wasteful number, since it uses less digits than its factorization.

4004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4004542 is about 2001.1351778428. The cubic root of 4004542 is about 158.8001655995.

Adding to 4004542 its reverse (2454004), we get a palindrome (6458546).

The spelling of 4004542 in words is "four million, four thousand, five hundred forty-two".