27442398 has 8 divisors (see below), whose sum is σ = 54884808. Its totient is φ = 9147464.

The previous prime is 27442391. The next prime is 27442399. The reversal of 27442398 is 89324472.

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

27442398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27442391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286861 + ... + 2286872.

It is an arithmetic number, because the mean of its divisors is an integer number (6860601).

Almost surely, 2^27442398 is an apocalyptic number.

27442398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27442398 is a wasteful number, since it uses less digits than its factorization.

27442398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573738.

The product of its digits is 96768, while the sum is 39.

The square root of 27442398 is about 5238.5492266466. The cubic root of 27442398 is about 301.6296426315.

The spelling of 27442398 in words is "twenty-seven million, four hundred forty-two thousand, three hundred ninety-eight".