428930232 has 32 divisors (see below), whose sum is σ = 1074487680. Its totient is φ = 142688480.

The previous prime is 428930221. The next prime is 428930237. The reversal of 428930232 is 232039824.

It is a super-2 number, since 2×428930232² = 367962287847147648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428930193 and 428930202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428930237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5694 + ... + 29837.

It is an arithmetic number, because the mean of its divisors is an integer number (33577740).

Almost surely, 2^428930232 is an apocalyptic number.

It is an amenable number.

428930232 is an abundant number, since it is smaller than the sum of its proper divisors (645557448).

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

428930232 is a wasteful number, since it uses less digits than its factorization.

428930232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36043 (or 36039 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 428930232 is about 20710.6308933359. The cubic root of 428930232 is about 754.1577860490.

The spelling of 428930232 in words is "four hundred twenty-eight million, nine hundred thirty thousand, two hundred thirty-two".