28814030 has 32 divisors (see below), whose sum is σ = 59844096. Its totient is φ = 9784224.

The previous prime is 28814029. The next prime is 28814039. The reversal of 28814030 is 3041882.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5567 + ... + 9413.

It is an arithmetic number, because the mean of its divisors is an integer number (1870128).

Almost surely, 2^28814030 is an apocalyptic number.

28814030 is an abundant number, since it is smaller than the sum of its proper divisors (31030066).

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

28814030 is a wasteful number, since it uses less digits than its factorization.

28814030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28814030 is about 5367.8701549125. The cubic root of 28814030 is about 306.5735395128.

The spelling of 28814030 in words is "twenty-eight million, eight hundred fourteen thousand, thirty".