4688631 has 16 divisors (see below), whose sum is σ = 6987520. Its totient is φ = 3107160.

The previous prime is 4688581. The next prime is 4688641. The reversal of 4688631 is 1368864.

It is a happy number.

It is not a de Polignac number, because 4688631 - 2⁷ = 4688503 is a prime.

It is a super-2 number, since 2×4688631² = 43966521308322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4688641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (436720).

Almost surely, 2^4688631 is an apocalyptic number.

4688631 is a deficient number, since it is larger than the sum of its proper divisors (2298889).

4688631 is a wasteful number, since it uses less digits than its factorization.

4688631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1037 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4688631 is about 2165.3246869696. The cubic root of 4688631 is about 167.3716965033.

It can be divided in two parts, 468863 and 1, that added together give a palindrome (468864).

The spelling of 4688631 in words is "four million, six hundred eighty-eight thousand, six hundred thirty-one".