28741235 has 8 divisors (see below), whose sum is σ = 34572096. Its totient is φ = 22937920.

The previous prime is 28741231. The next prime is 28741253. The reversal of 28741235 is 53214782.

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

It is not a de Polignac number, because 28741235 - 2² = 28741231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28741231) 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, 4514 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (4321512).

Almost surely, 2^28741235 is an apocalyptic number.

28741235 is a deficient number, since it is larger than the sum of its proper divisors (5830861).

28741235 is a wasteful number, since it uses less digits than its factorization.

28741235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13773.

The product of its digits is 13440, while the sum is 32.

The square root of 28741235 is about 5361.0852446123. The cubic root of 28741235 is about 306.3151487111.

The spelling of 28741235 in words is "twenty-eight million, seven hundred forty-one thousand, two hundred thirty-five".