428019704 has 24 divisors (see below), whose sum is σ = 933564240. Its totient is φ = 183436848.

The previous prime is 428019703. The next prime is 428019743. The reversal of 428019704 is 407910824.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428019703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545552 + ... + 546335.

It is an arithmetic number, because the mean of its divisors is an integer number (38898510).

Almost surely, 2^428019704 is an apocalyptic number.

It is an amenable number.

428019704 is an abundant number, since it is smaller than the sum of its proper divisors (505544536).

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

428019704 is a wasteful number, since it uses less digits than its factorization.

428019704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091907 (or 1091896 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 428019704 is about 20688.6370744909. The cubic root of 428019704 is about 753.6237689397.

The spelling of 428019704 in words is "four hundred twenty-eight million, nineteen thousand, seven hundred four".