27998344 has 32 divisors (see below), whose sum is σ = 58824000. Its totient is φ = 12381120.

The previous prime is 27998287. The next prime is 27998359. The reversal of 27998344 is 44389972.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27998294 and 27998303.

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 7 ways as a sum of consecutive naturals, for example, 1044 + ... + 7555.

It is an arithmetic number, because the mean of its divisors is an integer number (1838250).

Almost surely, 2^27998344 is an apocalyptic number.

It is an amenable number.

27998344 is an abundant number, since it is smaller than the sum of its proper divisors (30825656).

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

27998344 is a wasteful number, since it uses less digits than its factorization.

27998344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653 (or 8649 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 27998344 is about 5291.3461425237. The cubic root of 27998344 is about 303.6529106513.

The spelling of 27998344 in words is "twenty-seven million, nine hundred ninety-eight thousand, three hundred forty-four".