60861986 has 8 divisors (see below), whose sum is σ = 91350480. Its totient is φ = 30411828.

The previous prime is 60861973. The next prime is 60862001. The reversal of 60861986 is 68916806.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (11418810).

Almost surely, 2^60861986 is an apocalyptic number.

60861986 is a deficient number, since it is larger than the sum of its proper divisors (30488494).

60861986 is a wasteful number, since it uses less digits than its factorization.

60861986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19168.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 60861986 is about 7801.4092316709. The cubic root of 60861986 is about 393.3526134059.

The spelling of 60861986 in words is "sixty million, eight hundred sixty-one thousand, nine hundred eighty-six".