428326744 has 16 divisors (see below), whose sum is σ = 803428920. Its totient is φ = 214079040.

The previous prime is 428326687. The next prime is 428326753. The reversal of 428326744 is 447623824.

It is a junction number, because it is equal to n+sod(n) for n = 428326697 and 428326706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14559 + ... + 32689.

Almost surely, 2^428326744 is an apocalyptic number.

It is an amenable number.

428326744 is a deficient number, since it is larger than the sum of its proper divisors (375102176).

428326744 is a wasteful number, since it uses less digits than its factorization.

428326744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21090 (or 21086 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 428326744 is about 20696.0562426758. The cubic root of 428326744 is about 753.8039299090.

The spelling of 428326744 in words is "four hundred twenty-eight million, three hundred twenty-six thousand, seven hundred forty-four".