27355938 has 32 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 8745600.

The previous prime is 27355921. The next prime is 27355943. The reversal of 27355938 is 83955372.

It is a self number, because there is not a number n which added to its sum of digits gives 27355938.

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 15 ways as a sum of consecutive naturals, for example, 14095 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (1781136).

Almost surely, 2^27355938 is an apocalyptic number.

27355938 is an abundant number, since it is smaller than the sum of its proper divisors (29640414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27355938 is a wasteful number, since it uses less digits than its factorization.

27355938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930.

The product of its digits is 226800, while the sum is 42.

The square root of 27355938 is about 5230.2904317064. The cubic root of 27355938 is about 301.3125379942.

The spelling of 27355938 in words is "twenty-seven million, three hundred fifty-five thousand, nine hundred thirty-eight".