5042638 has 8 divisors (see below), whose sum is σ = 7962120. Its totient is φ = 2388600.

The previous prime is 5042629. The next prime is 5042641. The reversal of 5042638 is 8362405.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66313 + ... + 66388.

It is an arithmetic number, because the mean of its divisors is an integer number (995265).

Almost surely, 2^5042638 is an apocalyptic number.

5042638 is a deficient number, since it is larger than the sum of its proper divisors (2919482).

5042638 is a wasteful number, since it uses less digits than its factorization.

5042638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132722.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5042638 is about 2245.5818845012. The cubic root of 5042638 is about 171.4822858793.

The spelling of 5042638 in words is "five million, forty-two thousand, six hundred thirty-eight".