986806550 has 12 divisors (see below), whose sum is σ = 1835460276. Its totient is φ = 394722600.

The previous prime is 986806547. The next prime is 986806603. The reversal of 986806550 is 55608689.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 986806495 and 986806504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9868016 + ... + 9868115.

It is an arithmetic number, because the mean of its divisors is an integer number (152955023).

Almost surely, 2^986806550 is an apocalyptic number.

986806550 is a deficient number, since it is larger than the sum of its proper divisors (848653726).

986806550 is a wasteful number, since it uses less digits than its factorization.

986806550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19736143 (or 19736138 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 986806550 is about 31413.4772032642. The cubic root of 986806550 is about 995.5826995207.

The spelling of 986806550 in words is "nine hundred eighty-six million, eight hundred six thousand, five hundred fifty".