7906224 has 40 divisors (see below), whose sum is σ = 21628080. Its totient is φ = 2480128.

The previous prime is 7906211. The next prime is 7906229. The reversal of 7906224 is 4226097.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7906191 and 7906200.

It is not an unprimeable number, because it can be changed into a prime (7906229) 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, 4029 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (540702).

Almost surely, 2^7906224 is an apocalyptic number.

It is an amenable number.

7906224 is an abundant number, since it is smaller than the sum of its proper divisors (13721856).

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

7906224 is a wasteful number, since it uses less digits than its factorization.

7906224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717 (or 9711 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7906224 is about 2811.8008464328. The cubic root of 7906224 is about 199.2154598411.

The spelling of 7906224 in words is "seven million, nine hundred six thousand, two hundred twenty-four".