428798530 has 32 divisors (see below), whose sum is σ = 782025840. Its totient is φ = 169267200.

The previous prime is 428798507. The next prime is 428798533. The reversal of 428798530 is 35897824.

It can be written as a sum of positive squares in 8 ways, for example, as 258469929 + 170328601 = 16077^2 + 13051^2 .

It is not an unprimeable number, because it can be changed into a prime (428798533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461106 + ... + 462034.

Almost surely, 2^428798530 is an apocalyptic number.

428798530 is a deficient number, since it is larger than the sum of its proper divisors (353227310).

428798530 is a wasteful number, since it uses less digits than its factorization.

428798530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 428798530 is about 20707.4510744321. The cubic root of 428798530 is about 754.0805907005.

The spelling of 428798530 in words is "four hundred twenty-eight million, seven hundred ninety-eight thousand, five hundred thirty".