850988 has 12 divisors (see below), whose sum is σ = 1508640. Its totient is φ = 419952.

The previous prime is 850979. The next prime is 851009. The reversal of 850988 is 889058.

It is a super-2 number, since 2×850988² = 1448361152288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 1031 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (125720).

2⁸⁵⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

850988 is a deficient number, since it is larger than the sum of its proper divisors (657652).

850988 is a wasteful number, since it uses less digits than its factorization.

850988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 850988 is about 922.4901083481. The cubic root of 850988 is about 94.7635115083.

The spelling of 850988 in words is "eight hundred fifty thousand, nine hundred eighty-eight".