428734804 has 6 divisors (see below), whose sum is σ = 750285914. Its totient is φ = 214367400.

The previous prime is 428734793. The next prime is 428734807. The reversal of 428734804 is 408437824.

It can be written as a sum of positive squares in only one way, i.e., 221950404 + 206784400 = 14898^2 + 14380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428734807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53591847 + ... + 53591854.

Almost surely, 2^428734804 is an apocalyptic number.

It is an amenable number.

428734804 is a deficient number, since it is larger than the sum of its proper divisors (321551110).

428734804 is a wasteful number, since it uses less digits than its factorization.

428734804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107183705 (or 107183703 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 428734804 is about 20705.9122957671. The cubic root of 428734804 is about 754.0432328917.

The spelling of 428734804 in words is "four hundred twenty-eight million, seven hundred thirty-four thousand, eight hundred four".