27998448 has 20 divisors (see below), whose sum is σ = 72329448. Its totient is φ = 9332800.

The previous prime is 27998447. The next prime is 27998459. The reversal of 27998448 is 84489972.

It is a self number, because there is not a number n which added to its sum of digits gives 27998448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27998447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291603 + ... + 291698.

Almost surely, 2^27998448 is an apocalyptic number.

It is an amenable number.

27998448 is an abundant number, since it is smaller than the sum of its proper divisors (44331000).

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

27998448 is a wasteful number, since it uses less digits than its factorization.

27998448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583312 (or 583306 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 27998448 is about 5291.3559698814. The cubic root of 27998448 is about 303.6532866243.

The spelling of 27998448 in words is "twenty-seven million, nine hundred ninety-eight thousand, four hundred forty-eight".