28830152 has 16 divisors (see below), whose sum is σ = 58214940. Its totient is φ = 13306176.

The previous prime is 28830149. The next prime is 28830169. The reversal of 28830152 is 25103882.

It can be written as a sum of positive squares in 2 ways, for example, as 28665316 + 164836 = 5354^2 + 406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138503 + ... + 138710.

Almost surely, 2^28830152 is an apocalyptic number.

It is an amenable number.

28830152 is an abundant number, since it is smaller than the sum of its proper divisors (29384788).

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

28830152 is a wasteful number, since it uses less digits than its factorization.

28830152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277232 (or 277228 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28830152 is about 5369.3716578386. The cubic root of 28830152 is about 306.6307067686.

It can be divided in two parts, 28830 and 152, that added together give a palindrome (28982).

The spelling of 28830152 in words is "twenty-eight million, eight hundred thirty thousand, one hundred fifty-two".