7428285 has 24 divisors (see below), whose sum is σ = 12939264. Its totient is φ = 3942240.

The previous prime is 7428283. The next prime is 7428301. The reversal of 7428285 is 5828247.

It is a happy number.

7428285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7428285 - 2¹ = 7428283 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428283) 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 23 ways as a sum of consecutive naturals, for example, 17020 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (539136).

Almost surely, 2^7428285 is an apocalyptic number.

It is an amenable number.

7428285 is a deficient number, since it is larger than the sum of its proper divisors (5510979).

7428285 is a wasteful number, since it uses less digits than its factorization.

7428285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 822 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 7428285 is about 2725.4880296930. The cubic root of 7428285 is about 195.1174834451.

The spelling of 7428285 in words is "seven million, four hundred twenty-eight thousand, two hundred eighty-five".