27823430 has 16 divisors (see below), whose sum is σ = 51698304. Its totient is φ = 10770240.

The previous prime is 27823427. The next prime is 27823489. The reversal of 27823430 is 3432872.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27823393 and 27823402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44567 + ... + 45186.

It is an arithmetic number, because the mean of its divisors is an integer number (3231144).

Almost surely, 2^27823430 is an apocalyptic number.

27823430 is a deficient number, since it is larger than the sum of its proper divisors (23874874).

27823430 is a wasteful number, since it uses less digits than its factorization.

27823430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89791.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 27823430 is about 5274.7919390247. The cubic root of 27823430 is about 303.0192525172.

The spelling of 27823430 in words is "twenty-seven million, eight hundred twenty-three thousand, four hundred thirty".