707828 has 12 divisors (see below), whose sum is σ = 1351392. Its totient is φ = 321720.

The previous prime is 707827. The next prime is 707831. The reversal of 707828 is 828707.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 707794 and 707803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707827) by changing a digit.

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, 8000 + ... + 8087.

It is an arithmetic number, because the mean of its divisors is an integer number (112616).

2⁷⁰⁷⁸²⁸ is an apocalyptic number.

It is an amenable number.

707828 is a deficient number, since it is larger than the sum of its proper divisors (643564).

707828 is a wasteful number, since it uses less digits than its factorization.

707828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16100 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 707828 is about 841.3251452322. The cubic root of 707828 is about 89.1201508141.

The spelling of 707828 in words is "seven hundred seven thousand, eight hundred twenty-eight".