430421028 has 48 divisors (see below), whose sum is σ = 1078406784. Its totient is φ = 133127680.

The previous prime is 430421027. The next prime is 430421083. The reversal of 430421028 is 820124034.

It is a super-2 number, since 2×430421028² = 370524522689153568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 430420989 and 430421007.

It is not an unprimeable number, because it can be changed into a prime (430421021) 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, 375 + ... + 29342.

It is an arithmetic number, because the mean of its divisors is an integer number (22466808).

Almost surely, 2^430421028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430421028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539203392).

430421028 is an abundant number, since it is smaller than the sum of its proper divisors (647985756).

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

430421028 is a wasteful number, since it uses less digits than its factorization.

430421028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29812 (or 29810 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 430421028 is about 20746.5907560736. The cubic root of 430421028 is about 755.0304962610.

The spelling of 430421028 in words is "four hundred thirty million, four hundred twenty-one thousand, twenty-eight".