7538216 has 32 divisors (see below), whose sum is σ = 16251840. Its totient is φ = 3211008.

The previous prime is 7538203. The next prime is 7538221. The reversal of 7538216 is 6128357.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12416 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (507870).

Almost surely, 2^7538216 is an apocalyptic number.

It is an amenable number.

7538216 is an abundant number, since it is smaller than the sum of its proper divisors (8713624).

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

7538216 is a wasteful number, since it uses less digits than its factorization.

7538216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 829 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 7538216 is about 2745.5811770917. The cubic root of 7538216 is about 196.0752869179.

The spelling of 7538216 in words is "seven million, five hundred thirty-eight thousand, two hundred sixteen".