27839225 has 6 divisors (see below), whose sum is σ = 34520670. Its totient is φ = 22271360.

The previous prime is 27839219. The next prime is 27839239. The reversal of 27839225 is 52293872.

It can be written as a sum of positive squares in 3 ways, for example, as 2729104 + 25110121 = 1652^2 + 5011^2 .

It is not a de Polignac number, because 27839225 - 2¹⁰ = 27838201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556760 + ... + 556809.

It is an arithmetic number, because the mean of its divisors is an integer number (5753445).

Almost surely, 2^27839225 is an apocalyptic number.

27839225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27839225 is a deficient number, since it is larger than the sum of its proper divisors (6681445).

27839225 is a wasteful number, since it uses less digits than its factorization.

27839225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113579 (or 1113574 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 27839225 is about 5276.2889420501. The cubic root of 27839225 is about 303.0765817022.

The spelling of 27839225 in words is "twenty-seven million, eight hundred thirty-nine thousand, two hundred twenty-five".