5287638 has 8 divisors (see below), whose sum is σ = 10575288. Its totient is φ = 1762544.

The previous prime is 5287627. The next prime is 5287649. The reversal of 5287638 is 8367825.

It is an interprime number because it is at equal distance from previous prime (5287627) and next prime (5287649).

It is a sphenic number, since it is the product of 3 distinct primes.

5287638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5287596 and 5287605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440631 + ... + 440642.

It is an arithmetic number, because the mean of its divisors is an integer number (1321911).

Almost surely, 2^5287638 is an apocalyptic number.

5287638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5287638 is a wasteful number, since it uses less digits than its factorization.

5287638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881278.

The product of its digits is 80640, while the sum is 39.

The square root of 5287638 is about 2299.4864644090. The cubic root of 5287638 is about 174.2156791719.

The spelling of 5287638 in words is "five million, two hundred eighty-seven thousand, six hundred thirty-eight".