775948 has 12 divisors (see below), whose sum is σ = 1437912. Its totient is φ = 365120.

The previous prime is 775939. The next prime is 775949. The reversal of 775948 is 849577.

It is a self number, because there is not a number n which added to its sum of digits gives 775948.

It is not an unprimeable number, because it can be changed into a prime (775949) by changing a digit.

775948 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 5638 + ... + 5773.

It is an arithmetic number, because the mean of its divisors is an integer number (119826).

2⁷⁷⁵⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

775948 is a deficient number, since it is larger than the sum of its proper divisors (661964).

775948 is a wasteful number, since it uses less digits than its factorization.

775948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432 (or 11430 counting only the distinct ones).

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

The square root of 775948 is about 880.8791063477. The cubic root of 775948 is about 91.8919651828.

The spelling of 775948 in words is "seven hundred seventy-five thousand, nine hundred forty-eight".