28830051 has 6 divisors (see below), whose sum is σ = 41643420. Its totient is φ = 19220028.

The previous prime is 28830019. The next prime is 28830071. The reversal of 28830051 is 15003882.

It is a happy number.

It is not a de Polignac number, because 28830051 - 2⁵ = 28830019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28829997 and 28830024.

It is not an unprimeable number, because it can be changed into a prime (28830071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601661 + ... + 1601678.

It is an arithmetic number, because the mean of its divisors is an integer number (6940570).

Almost surely, 2^28830051 is an apocalyptic number.

28830051 is a deficient number, since it is larger than the sum of its proper divisors (12813369).

28830051 is a wasteful number, since it uses less digits than its factorization.

28830051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203345 (or 3203342 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28830051 is about 5369.3622526330. The cubic root of 28830051 is about 306.6303486974.

The spelling of 28830051 in words is "twenty-eight million, eight hundred thirty thousand, fifty-one".