27984038 has 4 divisors (see below), whose sum is σ = 41976060. Its totient is φ = 13992018.

The previous prime is 27984007. The next prime is 27984049. The reversal of 27984038 is 83048972.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 27983986 and 27984004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6996008 + ... + 6996011.

It is an arithmetic number, because the mean of its divisors is an integer number (10494015).

Almost surely, 2^27984038 is an apocalyptic number.

27984038 is a deficient number, since it is larger than the sum of its proper divisors (13992022).

27984038 is a wasteful number, since it uses less digits than its factorization.

27984038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992021.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 27984038 is about 5289.9941398833. The cubic root of 27984038 is about 303.6011837988.

The spelling of 27984038 in words is "twenty-seven million, nine hundred eighty-four thousand, thirty-eight".