28859130 has 24 divisors (see below), whose sum is σ = 75033972. Its totient is φ = 7695744.

The previous prime is 28859123. The next prime is 28859137. The reversal of 28859130 is 3195882.

It is an interprime number because it is at equal distance from previous prime (28859123) and next prime (28859137).

It can be written as a sum of positive squares in 2 ways, for example, as 28419561 + 439569 = 5331^2 + 663^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28859137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160239 + ... + 160418.

Almost surely, 2^28859130 is an apocalyptic number.

28859130 is an abundant number, since it is smaller than the sum of its proper divisors (46174842).

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

28859130 is a wasteful number, since it uses less digits than its factorization.

28859130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320670 (or 320667 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 28859130 is about 5372.0694336540. The cubic root of 28859130 is about 306.7334067618.

The spelling of 28859130 in words is "twenty-eight million, eight hundred fifty-nine thousand, one hundred thirty".