5431668 has 24 divisors (see below), whose sum is σ = 13826400. Its totient is φ = 1645920.

The previous prime is 5431661. The next prime is 5431691. The reversal of 5431668 is 8661345.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20443 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (576100).

Almost surely, 2^5431668 is an apocalyptic number.

It is an amenable number.

5431668 is an abundant number, since it is smaller than the sum of its proper divisors (8394732).

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

5431668 is a wasteful number, since it uses less digits than its factorization.

5431668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41167 (or 41165 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 5431668 is about 2330.5939157219. The cubic root of 5431668 is about 175.7833508470.

It can be divided in two parts, 543 and 1668, that added together give a triangular number (2211 = T₆₆).

The spelling of 5431668 in words is "five million, four hundred thirty-one thousand, six hundred sixty-eight".