28603330 has 32 divisors (see below), whose sum is σ = 59045760. Its totient is φ = 9772800.

The previous prime is 28603291. The next prime is 28603339. The reversal of 28603330 is 3330682.

It is a junction number, because it is equal to n+sod(n) for n = 28603295 and 28603304.

It is not an unprimeable number, because it can be changed into a prime (28603339) 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 15 ways as a sum of consecutive naturals, for example, 27561 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (1845180).

Almost surely, 2^28603330 is an apocalyptic number.

28603330 is an abundant number, since it is smaller than the sum of its proper divisors (30442430).

28603330 is a wasteful number, since it uses less digits than its factorization.

28603330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 28603330 is about 5348.2081111340. The cubic root of 28603330 is about 305.8244468426.

The spelling of 28603330 in words is "twenty-eight million, six hundred three thousand, three hundred thirty".