28008341 has 4 divisors (see below), whose sum is σ = 28023072. Its totient is φ = 27993612.

The previous prime is 28008317. The next prime is 28008347. The reversal of 28008341 is 14380082.

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 a de Polignac number, because none of the positive numbers 2^k-28008341 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 28008341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28008347) 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, 4001 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (7005768).

Almost surely, 2^28008341 is an apocalyptic number.

It is an amenable number.

28008341 is a deficient number, since it is larger than the sum of its proper divisors (14731).

28008341 is a wasteful number, since it uses less digits than its factorization.

28008341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14730.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28008341 is about 5292.2907138592. The cubic root of 28008341 is about 303.6890467995.

The spelling of 28008341 in words is "twenty-eight million, eight thousand, three hundred forty-one".