61286084 has 12 divisors (see below), whose sum is σ = 107971500. Its totient is φ = 30437088.

The previous prime is 61286083. The next prime is 61286107. The reversal of 61286084 is 48068216.

61286084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8868484 + 52417600 = 2978^2 + 7240^2 .

It is not an unprimeable number, because it can be changed into a prime (61286083) 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, 50819 + ... + 52010.

It is an arithmetic number, because the mean of its divisors is an integer number (8997625).

Almost surely, 2^61286084 is an apocalyptic number.

It is an amenable number.

61286084 is a deficient number, since it is larger than the sum of its proper divisors (46685416).

61286084 is a wasteful number, since it uses less digits than its factorization.

61286084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102982 (or 102980 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 61286084 is about 7828.5429040148. The cubic root of 61286084 is about 394.2641515848.

The spelling of 61286084 in words is "sixty-one million, two hundred eighty-six thousand, eighty-four".