5431216 has 40 divisors (see below), whose sum is σ = 12213504. Its totient is φ = 2291520.

The previous prime is 5431187. The next prime is 5431219. The reversal of 5431216 is 6121345.

It is not an unprimeable number, because it can be changed into a prime (5431219) 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 7 ways as a sum of consecutive naturals, for example, 7611 + ... + 8293.

Almost surely, 2^5431216 is an apocalyptic number.

5431216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5431216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6106752).

5431216 is an abundant number, since it is smaller than the sum of its proper divisors (6782288).

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

5431216 is a wasteful number, since it uses less digits than its factorization.

5431216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 763 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 5431216 is about 2330.4969427141. The cubic root of 5431216 is about 175.7784747341.

The spelling of 5431216 in words is "five million, four hundred thirty-one thousand, two hundred sixteen".