5647638 has 24 divisors (see below), whose sum is σ = 12002472. Its totient is φ = 1771264.

The previous prime is 5647637. The next prime is 5647639. The reversal of 5647638 is 8367465.

It is an interprime number because it is at equal distance from previous prime (5647637) and next prime (5647639).

It is a junction number, because it is equal to n+sod(n) for n = 5647596 and 5647605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647633) 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 11 ways as a sum of consecutive naturals, for example, 106 + ... + 3362.

It is an arithmetic number, because the mean of its divisors is an integer number (500103).

Almost surely, 2^5647638 is an apocalyptic number.

5647638 is an abundant number, since it is smaller than the sum of its proper divisors (6354834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5647638 is a wasteful number, since it uses less digits than its factorization.

5647638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3279 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 5647638 is about 2376.4759624284. The cubic root of 5647638 is about 178.0829264741.

The spelling of 5647638 in words is "five million, six hundred forty-seven thousand, six hundred thirty-eight".