28480235 has 8 divisors (see below), whose sum is σ = 39058656. Its totient is φ = 19529280.

The previous prime is 28480213. The next prime is 28480237. The reversal of 28480235 is 53208482.

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

It is not a de Polignac number, because 28480235 - 2⁶ = 28480171 is a prime.

It is a super-2 number, since 2×28480235² = 1622247571310450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28480237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406826 + ... + 406895.

It is an arithmetic number, because the mean of its divisors is an integer number (4882332).

Almost surely, 2^28480235 is an apocalyptic number.

28480235 is a deficient number, since it is larger than the sum of its proper divisors (10578421).

28480235 is an equidigital number, since it uses as much as digits as its factorization.

28480235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813733.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28480235 is about 5336.6876430985. The cubic root of 28480235 is about 305.3851088071.

The spelling of 28480235 in words is "twenty-eight million, four hundred eighty thousand, two hundred thirty-five".