28235080 has 32 divisors (see below), whose sum is σ = 63685440. Its totient is φ = 11266240.

The previous prime is 28235071. The next prime is 28235087. The reversal of 28235080 is 8053282.

It is a super-3 number, since 3×28235080³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28235087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25335 + ... + 26425.

It is an arithmetic number, because the mean of its divisors is an integer number (1990170).

Almost surely, 2^28235080 is an apocalyptic number.

28235080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28235080 is an abundant number, since it is smaller than the sum of its proper divisors (35450360).

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

28235080 is a wasteful number, since it uses less digits than its factorization.

28235080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 28235080 is about 5313.6691654637. The cubic root of 28235080 is about 304.5063410753.

The spelling of 28235080 in words is "twenty-eight million, two hundred thirty-five thousand, eighty".