420246328 has 16 divisors (see below), whose sum is σ = 802829880. Its totient is φ = 206158368.

The previous prime is 420246319. The next prime is 420246329. The reversal of 420246328 is 823642024.

It is a self number, because there is not a number n which added to its sum of digits gives 420246328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420246329) 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 3 ways as a sum of consecutive naturals, for example, 495150 + ... + 495997.

Almost surely, 2^420246328 is an apocalyptic number.

It is an amenable number.

420246328 is a deficient number, since it is larger than the sum of its proper divisors (382583552).

420246328 is a wasteful number, since it uses less digits than its factorization.

420246328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991206 (or 991202 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 420246328 is about 20499.9104388288. The cubic root of 420246328 is about 749.0336163754.

The spelling of 420246328 in words is "four hundred twenty million, two hundred forty-six thousand, three hundred twenty-eight".