28249341 has 4 divisors (see below), whose sum is σ = 37665792. Its totient is φ = 18832892.

The previous prime is 28249327. The next prime is 28249363. The reversal of 28249341 is 14394282.

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 28249341 - 2¹⁰ = 28248317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28249541) 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, 4708221 + ... + 4708226.

It is an arithmetic number, because the mean of its divisors is an integer number (9416448).

Almost surely, 2^28249341 is an apocalyptic number.

It is an amenable number.

28249341 is a deficient number, since it is larger than the sum of its proper divisors (9416451).

28249341 is an equidigital number, since it uses as much as digits as its factorization.

28249341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416450.

The product of its digits is 13824, while the sum is 33.

The square root of 28249341 is about 5315.0109125006. The cubic root of 28249341 is about 304.5575992268.

The spelling of 28249341 in words is "twenty-eight million, two hundred forty-nine thousand, three hundred forty-one".