763828 has 24 divisors (see below), whose sum is σ = 1482152. Its totient is φ = 342144.

The previous prime is 763823. The next prime is 763843. The reversal of 763828 is 828367.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 580644 = 428^2 + 762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 763793 and 763802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763823) by changing a digit.

763828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726 + ... + 2122.

2⁷⁶³⁸²⁸ is an apocalyptic number.

It is an amenable number.

763828 is a deficient number, since it is larger than the sum of its proper divisors (718324).

763828 is a wasteful number, since it uses less digits than its factorization.

763828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 449 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 763828 is about 873.9725396144. The cubic root of 763828 is about 91.4110136485.

The spelling of 763828 in words is "seven hundred sixty-three thousand, eight hundred twenty-eight".