28862241 has 4 divisors (see below), whose sum is σ = 38482992. Its totient is φ = 19241492.

The previous prime is 28862231. The next prime is 28862261. The reversal of 28862241 is 14226882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28862241 - 2¹⁸ = 28600097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28862231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4810371 + ... + 4810376.

It is an arithmetic number, because the mean of its divisors is an integer number (9620748).

Almost surely, 2^28862241 is an apocalyptic number.

It is an amenable number.

28862241 is a deficient number, since it is larger than the sum of its proper divisors (9620751).

28862241 is an equidigital number, since it uses as much as digits as its factorization.

28862241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620750.

The product of its digits is 12288, while the sum is 33.

The square root of 28862241 is about 5372.3589790706. The cubic root of 28862241 is about 306.7444282692.

The spelling of 28862241 in words is "twenty-eight million, eight hundred sixty-two thousand, two hundred forty-one".