428084544 has 56 divisors (see below), whose sum is σ = 1171712160. Its totient is φ = 137772544.

The previous prime is 428084543. The next prime is 428084557. The reversal of 428084544 is 445480824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428084543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32874 + ... + 44009.

Almost surely, 2^428084544 is an apocalyptic number.

It is an amenable number.

428084544 is an abundant number, since it is smaller than the sum of its proper divisors (743627616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428084544 is a wasteful number, since it uses less digits than its factorization.

428084544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76927 (or 76917 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 39.

The square root of 428084544 is about 20690.2040589261. The cubic root of 428084544 is about 753.6618220927.

The spelling of 428084544 in words is "four hundred twenty-eight million, eighty-four thousand, five hundred forty-four".