7285506 has 16 divisors (see below), whose sum is σ = 14599200. Its totient is φ = 2423808.

The previous prime is 7285501. The next prime is 7285507. The reversal of 7285506 is 6055827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285501) 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, 3825 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (912450).

Almost surely, 2^7285506 is an apocalyptic number.

7285506 is an abundant number, since it is smaller than the sum of its proper divisors (7313694).

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

7285506 is a wasteful number, since it uses less digits than its factorization.

7285506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 7285506 is about 2699.1676494801. The cubic root of 7285506 is about 193.8592701699.

The spelling of 7285506 in words is "seven million, two hundred eighty-five thousand, five hundred six".