27920038 has 8 divisors (see below), whose sum is σ = 42384888. Its totient is φ = 13791744.

The previous prime is 27920017. The next prime is 27920059. The reversal of 27920038 is 83002972.

It is an interprime number because it is at equal distance from previous prime (27920017) and next prime (27920059).

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

It is a junction number, because it is equal to n+sod(n) for n = 27919991 and 27920009.

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 3 ways as a sum of consecutive naturals, for example, 83931 + ... + 84262.

It is an arithmetic number, because the mean of its divisors is an integer number (5298111).

Almost surely, 2^27920038 is an apocalyptic number.

27920038 is a deficient number, since it is larger than the sum of its proper divisors (14464850).

27920038 is a wasteful number, since it uses less digits than its factorization.

27920038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168278.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 27920038 is about 5283.9415212510. The cubic root of 27920038 is about 303.3695600040.

The spelling of 27920038 in words is "twenty-seven million, nine hundred twenty thousand, thirty-eight".