428633404 has 12 divisors (see below), whose sum is σ = 774305728. Its totient is φ = 207403200.

The previous prime is 428633377. The next prime is 428633411. The reversal of 428633404 is 404336824.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 428633404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728237 + ... + 1728484.

Almost surely, 2^428633404 is an apocalyptic number.

It is an amenable number.

428633404 is a deficient number, since it is larger than the sum of its proper divisors (345672324).

428633404 is a wasteful number, since it uses less digits than its factorization.

428633404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456756 (or 3456754 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 428633404 is about 20703.4635749674. The cubic root of 428633404 is about 753.9837819897.

The spelling of 428633404 in words is "four hundred twenty-eight million, six hundred thirty-three thousand, four hundred four".