420650328 has 32 divisors (see below), whose sum is σ = 1201858560. Its totient is φ = 120185760.

The previous prime is 420650323. The next prime is 420650359. The reversal of 420650328 is 823056024.

It is a junction number, because it is equal to n+sod(n) for n = 420650295 and 420650304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420650323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251768 + ... + 1252103.

It is an arithmetic number, because the mean of its divisors is an integer number (37558080).

Almost surely, 2^420650328 is an apocalyptic number.

It is an amenable number.

420650328 is an abundant number, since it is smaller than the sum of its proper divisors (781208232).

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

420650328 is a wasteful number, since it uses less digits than its factorization.

420650328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503887 (or 2503883 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 420650328 is about 20509.7617733605. The cubic root of 420650328 is about 749.2735650613.

The spelling of 420650328 in words is "four hundred twenty million, six hundred fifty thousand, three hundred twenty-eight".