27909338 has 8 divisors (see below), whose sum is σ = 41939040. Its totient is φ = 13929660.

The previous prime is 27909313. The next prime is 27909367. The reversal of 27909338 is 83390972.

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

It is a super-2 number, since 2×27909338² = 1557862295196488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27909295 and 27909304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11078 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (5242380).

Almost surely, 2^27909338 is an apocalyptic number.

27909338 is a deficient number, since it is larger than the sum of its proper divisors (14029702).

27909338 is a wasteful number, since it uses less digits than its factorization.

27909338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25012.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 27909338 is about 5282.9289224823. The cubic root of 27909338 is about 303.3308008752.

The spelling of 27909338 in words is "twenty-seven million, nine hundred nine thousand, three hundred thirty-eight".