428469968 has 10 divisors (see below), whose sum is σ = 830160594. Its totient is φ = 214234976.

The previous prime is 428469959. The next prime is 428470033. The reversal of 428469968 is 869964824.

It can be written as a sum of positive squares in only one way, i.e., 276490384 + 151979584 = 16628^2 + 12328^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13389671 + ... + 13389702.

Almost surely, 2^428469968 is an apocalyptic number.

It is an amenable number.

428469968 is a deficient number, since it is larger than the sum of its proper divisors (401690626).

428469968 is a wasteful number, since it uses less digits than its factorization.

428469968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26779381 (or 26779375 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The square root of 428469968 is about 20699.5161296104. The cubic root of 428469968 is about 753.8879395926.

The spelling of 428469968 in words is "four hundred twenty-eight million, four hundred sixty-nine thousand, nine hundred sixty-eight".