28862753 has 6 divisors (see below), whose sum is σ = 30584034. Its totient is φ = 27144096.

The previous prime is 28862737. The next prime is 28862759. The reversal of 28862753 is 35726882.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 1697809 = 5212^2 + 1303^2 .

It is not a de Polignac number, because 28862753 - 2⁴ = 28862737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28862753.

It is not an unprimeable number, because it can be changed into a prime (28862759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21500 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (5097339).

Almost surely, 2^28862753 is an apocalyptic number.

It is an amenable number.

28862753 is a deficient number, since it is larger than the sum of its proper divisors (1721281).

28862753 is an frugal number, since it uses more digits than its factorization.

28862753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623 (or 1320 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 28862753 is about 5372.4066301798. The cubic root of 28862753 is about 306.7462420833.

The spelling of 28862753 in words is "twenty-eight million, eight hundred sixty-two thousand, seven hundred fifty-three".