5387631 has 4 divisors (see below), whose sum is σ = 7183512. Its totient is φ = 3591752.

The previous prime is 5387617. The next prime is 5387647. The reversal of 5387631 is 1367835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5387631 - 2⁶ = 5387567 is a prime.

It is a super-2 number, since 2×5387631² = 58053135584322, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5387592 and 5387601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897936 + ... + 897941.

It is an arithmetic number, because the mean of its divisors is an integer number (1795878).

Almost surely, 2^5387631 is an apocalyptic number.

5387631 is a deficient number, since it is larger than the sum of its proper divisors (1795881).

5387631 is a wasteful number, since it uses less digits than its factorization.

5387631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795880.

The product of its digits is 15120, while the sum is 33.

The square root of 5387631 is about 2321.1270969079. The cubic root of 5387631 is about 175.3070093857.

The spelling of 5387631 in words is "five million, three hundred eighty-seven thousand, six hundred thirty-one".