28604353 has 12 divisors (see below), whose sum is σ = 31442940. Its totient is φ = 25985792.

The previous prime is 28604327. The next prime is 28604371. The reversal of 28604353 is 35340682.

It can be written as a sum of positive squares in 6 ways, for example, as 8596624 + 20007729 = 2932^2 + 4473^2 .

It is not a de Polignac number, because 28604353 - 2¹⁷ = 28473281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28604453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6675 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (2620245).

Almost surely, 2^28604353 is an apocalyptic number.

It is an amenable number.

28604353 is a deficient number, since it is larger than the sum of its proper divisors (2838587).

28604353 is a wasteful number, since it uses less digits than its factorization.

28604353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 28604353 is about 5348.3037497883. The cubic root of 28604353 is about 305.8280927430.

The spelling of 28604353 in words is "twenty-eight million, six hundred four thousand, three hundred fifty-three".