4531688 has 16 divisors (see below), whose sum is σ = 9710880. Its totient is φ = 1942128.

The previous prime is 4531663. The next prime is 4531729. The reversal of 4531688 is 8861354.

It is a super-2 number, since 2×4531688² = 41072392258688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 40406 + ... + 40517.

It is an arithmetic number, because the mean of its divisors is an integer number (606930).

Almost surely, 2^4531688 is an apocalyptic number.

It is an amenable number.

4531688 is an abundant number, since it is smaller than the sum of its proper divisors (5179192).

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

4531688 is a wasteful number, since it uses less digits than its factorization.

4531688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80936 (or 80932 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 4531688 is about 2128.7761742372. The cubic root of 4531688 is about 165.4829803328.

The spelling of 4531688 in words is "four million, five hundred thirty-one thousand, six hundred eighty-eight".