28418341 has 4 divisors (see below), whose sum is σ = 32478112. Its totient is φ = 24358572.

The previous prime is 28418333. The next prime is 28418359. The reversal of 28418341 is 14381482.

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 not a de Polignac number, because 28418341 - 2³ = 28418333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28418641) 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 3 ways as a sum of consecutive naturals, for example, 2029875 + ... + 2029888.

It is an arithmetic number, because the mean of its divisors is an integer number (8119528).

Almost surely, 2^28418341 is an apocalyptic number.

It is an amenable number.

28418341 is a deficient number, since it is larger than the sum of its proper divisors (4059771).

28418341 is an equidigital number, since it uses as much as digits as its factorization.

28418341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059770.

The product of its digits is 6144, while the sum is 31.

The square root of 28418341 is about 5330.8855737110. The cubic root of 28418341 is about 305.1637246917.

The spelling of 28418341 in words is "twenty-eight million, four hundred eighteen thousand, three hundred forty-one".