828426428 has 6 divisors (see below), whose sum is σ = 1449746256. Its totient is φ = 414213212.

The previous prime is 828426407. The next prime is 828426437. The reversal of 828426428 is 824624828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103553300 + ... + 103553307.

It is an arithmetic number, because the mean of its divisors is an integer number (241624376).

Almost surely, 2^828426428 is an apocalyptic number.

It is an amenable number.

828426428 is a deficient number, since it is larger than the sum of its proper divisors (621319828).

828426428 is a wasteful number, since it uses less digits than its factorization.

828426428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207106611 (or 207106609 counting only the distinct ones).

The product of its digits is 393216, while the sum is 44.

The square root of 828426428 is about 28782.3978848184. The cubic root of 828426428 is about 939.1853618111.

The spelling of 828426428 in words is "eight hundred twenty-eight million, four hundred twenty-six thousand, four hundred twenty-eight".