27428093 has 24 divisors (see below), whose sum is σ = 35141184. Its totient is φ = 21168000.

The previous prime is 27428053. The next prime is 27428099. The reversal of 27428093 is 39082472.

It is not a de Polignac number, because 27428093 - 2¹² = 27423997 is a prime.

It is a super-3 number, since 3×27428093³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27428099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81221 + ... + 81557.

It is an arithmetic number, because the mean of its divisors is an integer number (1464216).

Almost surely, 2^27428093 is an apocalyptic number.

It is an amenable number.

27428093 is a deficient number, since it is larger than the sum of its proper divisors (7713091).

27428093 is a wasteful number, since it uses less digits than its factorization.

27428093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 27428093 is about 5237.1836897325. The cubic root of 27428093 is about 301.5772229901.

The spelling of 27428093 in words is "twenty-seven million, four hundred twenty-eight thousand, ninety-three".