28497635 has 8 divisors (see below), whose sum is σ = 34609680. Its totient is φ = 22523104.

The previous prime is 28497629. The next prime is 28497647. The reversal of 28497635 is 53679482.

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 28497635 - 2⁴ = 28497619 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, 33920 + ... + 34749.

It is an arithmetic number, because the mean of its divisors is an integer number (4326210).

Almost surely, 2^28497635 is an apocalyptic number.

28497635 is a deficient number, since it is larger than the sum of its proper divisors (6112045).

28497635 is an equidigital number, since it uses as much as digits as its factorization.

28497635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68757.

The product of its digits is 362880, while the sum is 44.

The square root of 28497635 is about 5338.3176188758. The cubic root of 28497635 is about 305.4472878250.

The spelling of 28497635 in words is "twenty-eight million, four hundred ninety-seven thousand, six hundred thirty-five".