28935155 has 8 divisors (see below), whose sum is σ = 34782000. Its totient is φ = 23108256.

The previous prime is 28935131. The next prime is 28935161. The reversal of 28935155 is 55153982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28935155 - 2⁶ = 28935091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580 + ... + 7769.

It is an arithmetic number, because the mean of its divisors is an integer number (4347750).

Almost surely, 2^28935155 is an apocalyptic number.

28935155 is a deficient number, since it is larger than the sum of its proper divisors (5846845).

28935155 is an equidigital number, since it uses as much as digits as its factorization.

28935155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973.

The product of its digits is 54000, while the sum is 38.

The square root of 28935155 is about 5379.1407306372. The cubic root of 28935155 is about 307.0025181316.

The spelling of 28935155 in words is "twenty-eight million, nine hundred thirty-five thousand, one hundred fifty-five".