428304501 has 24 divisors (see below), whose sum is σ = 631777536. Its totient is φ = 279508320.

The previous prime is 428304493. The next prime is 428304521. The reversal of 428304501 is 105403824.

It is not a de Polignac number, because 428304501 - 2³ = 428304493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428304521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300276 + ... + 301698.

It is an arithmetic number, because the mean of its divisors is an integer number (26324064).

Almost surely, 2^428304501 is an apocalyptic number.

It is an amenable number.

428304501 is a deficient number, since it is larger than the sum of its proper divisors (203473035).

428304501 is a wasteful number, since it uses less digits than its factorization.

428304501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 428304501 is about 20695.5188627877. The cubic root of 428304501 is about 753.7908813417.

The spelling of 428304501 in words is "four hundred twenty-eight million, three hundred four thousand, five hundred one".