5018638 has 8 divisors (see below), whose sum is σ = 7970832. Its totient is φ = 2361696.

The previous prime is 5018627. The next prime is 5018639. The reversal of 5018638 is 8368105.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5018639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73770 + ... + 73837.

It is an arithmetic number, because the mean of its divisors is an integer number (996354).

Almost surely, 2^5018638 is an apocalyptic number.

5018638 is a deficient number, since it is larger than the sum of its proper divisors (2952194).

5018638 is a wasteful number, since it uses less digits than its factorization.

5018638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147626.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5018638 is about 2240.2316844469. The cubic root of 5018638 is about 171.2098014230.

The spelling of 5018638 in words is "five million, eighteen thousand, six hundred thirty-eight".