5638630 has 32 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 2096352.

The previous prime is 5638613. The next prime is 5638631. The reversal of 5638630 is 368365.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5638592 and 5638601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10959 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^5638630 is an apocalyptic number.

5638630 is a deficient number, since it is larger than the sum of its proper divisors (5247770).

5638630 is a wasteful number, since it uses less digits than its factorization.

5638630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5638630 is about 2374.5799628566. The cubic root of 5638630 is about 177.9881951520.

The spelling of 5638630 in words is "five million, six hundred thirty-eight thousand, six hundred thirty".