420832812 has 24 divisors (see below), whose sum is σ = 1013619712. Its totient is φ = 135752400.

The previous prime is 420832801. The next prime is 420832813. The reversal of 420832812 is 218238024.

It is a self number, because there is not a number n which added to its sum of digits gives 420832812.

It is not an unprimeable number, because it can be changed into a prime (420832813) 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, 565264 + ... + 566007.

Almost surely, 2^420832812 is an apocalyptic number.

It is an amenable number.

420832812 is an abundant number, since it is smaller than the sum of its proper divisors (592786900).

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

420832812 is a wasteful number, since it uses less digits than its factorization.

420832812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131309 (or 1131307 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 420832812 is about 20514.2100018499. The cubic root of 420832812 is about 749.3818978507.

The spelling of 420832812 in words is "four hundred twenty million, eight hundred thirty-two thousand, eight hundred twelve".