27901938 has 8 divisors (see below), whose sum is σ = 55803888. Its totient is φ = 9300644.

The previous prime is 27901927. The next prime is 27901961. The reversal of 27901938 is 83910972.

It is a sphenic number, since it is the product of 3 distinct primes.

27901938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 27901896 and 27901905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325156 + ... + 2325167.

It is an arithmetic number, because the mean of its divisors is an integer number (6975486).

Almost surely, 2^27901938 is an apocalyptic number.

27901938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27901938 is a wasteful number, since it uses less digits than its factorization.

27901938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650328.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 27901938 is about 5282.2285069845. The cubic root of 27901938 is about 303.3039897013.

The spelling of 27901938 in words is "twenty-seven million, nine hundred one thousand, nine hundred thirty-eight".