28930930 has 16 divisors (see below), whose sum is σ = 59515200. Its totient is φ = 9919152.

The previous prime is 28930927. The next prime is 28930931. The reversal of 28930930 is 3903982.

It is not an unprimeable number, because it can be changed into a prime (28930931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206580 + ... + 206719.

It is an arithmetic number, because the mean of its divisors is an integer number (3719700).

Almost surely, 2^28930930 is an apocalyptic number.

28930930 is an abundant number, since it is smaller than the sum of its proper divisors (30584270).

28930930 is a wasteful number, since it uses less digits than its factorization.

28930930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413313.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 28930930 is about 5378.7479955841. The cubic root of 28930930 is about 306.9875749621.

The spelling of 28930930 in words is "twenty-eight million, nine hundred thirty thousand, nine hundred thirty".