5678638 has 16 divisors (see below), whose sum is σ = 9765504. Its totient is φ = 2426040.

The previous prime is 5678627. The next prime is 5678641. The reversal of 5678638 is 8368765.

It is a junction number, because it is equal to n+sod(n) for n = 5678594 and 5678603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7873 + ... + 8563.

It is an arithmetic number, because the mean of its divisors is an integer number (610344).

Almost surely, 2^5678638 is an apocalyptic number.

5678638 is a deficient number, since it is larger than the sum of its proper divisors (4086866).

5678638 is a wasteful number, since it uses less digits than its factorization.

5678638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287.

The product of its digits is 241920, while the sum is 43.

The square root of 5678638 is about 2382.9892991787. The cubic root of 5678638 is about 178.4081657198.

The spelling of 5678638 in words is "five million, six hundred seventy-eight thousand, six hundred thirty-eight".