8573428 has 24 divisors (see below), whose sum is σ = 15639624. Its totient is φ = 4108800.

The previous prime is 8573419. The next prime is 8573429. The reversal of 8573428 is 8243758.

It can be written as a sum of positive squares in 4 ways, for example, as 35344 + 8538084 = 188^2 + 2922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8573429) 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, 9576 + ... + 10432.

It is an arithmetic number, because the mean of its divisors is an integer number (651651).

Almost surely, 2^8573428 is an apocalyptic number.

It is an amenable number.

8573428 is a deficient number, since it is larger than the sum of its proper divisors (7066196).

8573428 is a wasteful number, since it uses less digits than its factorization.

8573428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 961 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 8573428 is about 2928.0416663702. The cubic root of 8573428 is about 204.6687332754.

It can be divided in two parts, 857 and 3428, that multiplied together give a square (2937796 = 1714²).

The spelling of 8573428 in words is "eight million, five hundred seventy-three thousand, four hundred twenty-eight".