28770604 has 24 divisors (see below), whose sum is σ = 52763648. Its totient is φ = 13709520.

The previous prime is 28770601. The next prime is 28770611. The reversal of 28770604 is 40607782.

It is a self number, because there is not a number n which added to its sum of digits gives 28770604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28770601) 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, 6577 + ... + 10039.

Almost surely, 2^28770604 is an apocalyptic number.

It is an amenable number.

28770604 is a deficient number, since it is larger than the sum of its proper divisors (23993044).

28770604 is a wasteful number, since it uses less digits than its factorization.

28770604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 28770604 is about 5363.8236361760. The cubic root of 28770604 is about 306.4194484175.

The spelling of 28770604 in words is "twenty-eight million, seven hundred seventy thousand, six hundred four".