27400194 has 28 divisors (see below), whose sum is σ = 61625526. Its totient is φ = 9132912.

The previous prime is 27400193. The next prime is 27400211. The reversal of 27400194 is 49100472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20820969 + 6579225 = 4563^2 + 2565^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (27400193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7939 + ... + 10854.

Almost surely, 2^27400194 is an apocalyptic number.

27400194 is an abundant number, since it is smaller than the sum of its proper divisors (34225332).

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

27400194 is an equidigital number, since it uses as much as digits as its factorization.

27400194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813 (or 18798 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27400194 is about 5234.5194621856. The cubic root of 27400194 is about 301.4749366557.

The spelling of 27400194 in words is "twenty-seven million, four hundred thousand, one hundred ninety-four".