61889194 has 16 divisors (see below), whose sum is σ = 98431200. Its totient is φ = 29102544.

The previous prime is 61889189. The next prime is 61889207. The reversal of 61889194 is 49198816.

61889194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 577 + ... + 11140.

It is an arithmetic number, because the mean of its divisors is an integer number (6151950).

Almost surely, 2^61889194 is an apocalyptic number.

61889194 is a deficient number, since it is larger than the sum of its proper divisors (36542006).

61889194 is a wasteful number, since it uses less digits than its factorization.

61889194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877.

The product of its digits is 124416, while the sum is 46.

The square root of 61889194 is about 7866.9685394058. The cubic root of 61889194 is about 395.5532364196.

The spelling of 61889194 in words is "sixty-one million, eight hundred eighty-nine thousand, one hundred ninety-four".