28359930 has 16 divisors (see below), whose sum is σ = 68063904. Its totient is φ = 7562640.

The previous prime is 28359911. The next prime is 28359931. The reversal of 28359930 is 3995382.

It is not an unprimeable number, because it can be changed into a prime (28359931) 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, 472636 + ... + 472695.

It is an arithmetic number, because the mean of its divisors is an integer number (4253994).

Almost surely, 2^28359930 is an apocalyptic number.

28359930 is an abundant number, since it is smaller than the sum of its proper divisors (39703974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28359930 is a wasteful number, since it uses less digits than its factorization.

28359930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945341.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 28359930 is about 5325.4042100107. The cubic root of 28359930 is about 304.9545036500.

The spelling of 28359930 in words is "twenty-eight million, three hundred fifty-nine thousand, nine hundred thirty".