5638967 has 2 divisors, whose sum is σ = 5638968. Its totient is φ = 5638966.

The previous prime is 5638961. The next prime is 5639003. The reversal of 5638967 is 7698365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5638967 - 2¹⁴ = 5622583 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5638961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819483 + 2819484.

It is an arithmetic number, because the mean of its divisors is an integer number (2819484).

Almost surely, 2^5638967 is an apocalyptic number.

5638967 is a deficient number, since it is larger than the sum of its proper divisors (1).

5638967 is an equidigital number, since it uses as much as digits as its factorization.

5638967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 5638967 is about 2374.6509217146. The cubic root of 5638967 is about 177.9917409794.

The spelling of 5638967 in words is "five million, six hundred thirty-eight thousand, nine hundred sixty-seven".