776836 has 12 divisors (see below), whose sum is σ = 1369228. Its totient is φ = 385632.

The previous prime is 776819. The next prime is 776837. The reversal of 776836 is 638677.

776836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 367236 = 640^2 + 606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 776795 and 776804.

It is not an unprimeable number, because it can be changed into a prime (776837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10 + ... + 1246.

2⁷⁷⁶⁸³⁶ is an apocalyptic number.

It is an amenable number.

776836 is a deficient number, since it is larger than the sum of its proper divisors (592392).

776836 is a wasteful number, since it uses less digits than its factorization.

776836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 776836 is about 881.3830041475. The cubic root of 776836 is about 91.9270057426.

The spelling of 776836 in words is "seven hundred seventy-six thousand, eight hundred thirty-six".