428770436 has 6 divisors (see below), whose sum is σ = 750348270. Its totient is φ = 214385216.

The previous prime is 428770427. The next prime is 428770451. The reversal of 428770436 is 634077824.

It can be written as a sum of positive squares in only one way, i.e., 352312900 + 76457536 = 18770^2 + 8744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 428770393 and 428770402.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 53596301 + ... + 53596308.

It is an arithmetic number, because the mean of its divisors is an integer number (125058045).

Almost surely, 2^428770436 is an apocalyptic number.

It is an amenable number.

428770436 is a deficient number, since it is larger than the sum of its proper divisors (321577834).

428770436 is a wasteful number, since it uses less digits than its factorization.

428770436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107192613 (or 107192611 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 428770436 is about 20706.7727084643. The cubic root of 428770436 is about 754.0641217364.

The spelling of 428770436 in words is "four hundred twenty-eight million, seven hundred seventy thousand, four hundred thirty-six".