774985 has 12 divisors (see below), whose sum is σ = 975492. Its totient is φ = 591008.

The previous prime is 774959. The next prime is 774997. The reversal of 774985 is 589477.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 233289 = 736^2 + 483^2 .

It is not a de Polignac number, because 774985 - 2⁷ = 774857 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 2499 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (81291).

2⁷⁷⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

774985 is a deficient number, since it is larger than the sum of its proper divisors (200507).

774985 is a wasteful number, since it uses less digits than its factorization.

774985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 321 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 774985 is about 880.3323236142. The cubic root of 774985 is about 91.8539348870.

The spelling of 774985 in words is "seven hundred seventy-four thousand, nine hundred eighty-five".