985380818 has 16 divisors (see below), whose sum is σ = 1566991104. Its totient is φ = 463909680.

The previous prime is 985380769. The next prime is 985380829. The reversal of 985380818 is 818083589.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212480 + ... + 217067.

It is an arithmetic number, because the mean of its divisors is an integer number (97936944).

Almost surely, 2^985380818 is an apocalyptic number.

985380818 is a deficient number, since it is larger than the sum of its proper divisors (581610286).

985380818 is a wasteful number, since it uses less digits than its factorization.

985380818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429617.

The product of its (nonzero) digits is 552960, while the sum is 50.

The square root of 985380818 is about 31390.7760018767. The cubic root of 985380818 is about 995.1029978477.

The spelling of 985380818 in words is "nine hundred eighty-five million, three hundred eighty thousand, eight hundred eighteen".