27853345 has 32 divisors (see below), whose sum is σ = 38836224. Its totient is φ = 19008000.

The previous prime is 27853321. The next prime is 27853349. The reversal of 27853345 is 54335872.

It is not a de Polignac number, because 27853345 - 2⁵ = 27853313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27853349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46045 + ... + 46645.

It is an arithmetic number, because the mean of its divisors is an integer number (1213632).

Almost surely, 2^27853345 is an apocalyptic number.

It is an amenable number.

27853345 is a deficient number, since it is larger than the sum of its proper divisors (10982879).

27853345 is a wasteful number, since it uses less digits than its factorization.

27853345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its digits is 100800, while the sum is 37.

The square root of 27853345 is about 5277.6268340988. The cubic root of 27853345 is about 303.1278129898.

The spelling of 27853345 in words is "twenty-seven million, eight hundred fifty-three thousand, three hundred forty-five".