789903428 has 6 divisors (see below), whose sum is σ = 1382331006. Its totient is φ = 394951712.

The previous prime is 789903377. The next prime is 789903431. The reversal of 789903428 is 824309987.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 702144004 + 87759424 = 26498^2 + 9368^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98737925 + ... + 98737932.

It is an arithmetic number, because the mean of its divisors is an integer number (230388501).

Almost surely, 2^789903428 is an apocalyptic number.

It is an amenable number.

789903428 is a deficient number, since it is larger than the sum of its proper divisors (592427578).

789903428 is a wasteful number, since it uses less digits than its factorization.

789903428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197475861 (or 197475859 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 789903428 is about 28105.2206538216. The cubic root of 789903428 is about 924.3958764809.

The spelling of 789903428 in words is "seven hundred eighty-nine million, nine hundred three thousand, four hundred twenty-eight".