28849535 has 32 divisors (see below), whose sum is σ = 41090112. Its totient is φ = 19169280.

The previous prime is 28849531. The next prime is 28849537. The reversal of 28849535 is 53594882.

It is not a de Polignac number, because 28849535 - 2² = 28849531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28849531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112127 + ... + 112383.

It is an arithmetic number, because the mean of its divisors is an integer number (1284066).

Almost surely, 2^28849535 is an apocalyptic number.

28849535 is a deficient number, since it is larger than the sum of its proper divisors (12240577).

28849535 is a wasteful number, since it uses less digits than its factorization.

28849535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its digits is 345600, while the sum is 44.

The square root of 28849535 is about 5371.1763143654. The cubic root of 28849535 is about 306.6994090486.

The spelling of 28849535 in words is "twenty-eight million, eight hundred forty-nine thousand, five hundred thirty-five".