5040638 has 4 divisors (see below), whose sum is σ = 7560960. Its totient is φ = 2520318.

The previous prime is 5040601. The next prime is 5040647. The reversal of 5040638 is 8360405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8360405 = 5 ⋅1672081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260158 + ... + 1260161.

It is an arithmetic number, because the mean of its divisors is an integer number (1890240).

Almost surely, 2^5040638 is an apocalyptic number.

5040638 is a deficient number, since it is larger than the sum of its proper divisors (2520322).

5040638 is a wasteful number, since it uses less digits than its factorization.

5040638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520321.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5040638 is about 2245.1365214614. The cubic root of 5040638 is about 171.4596119056.

The spelling of 5040638 in words is "five million, forty thousand, six hundred thirty-eight".