420338216 has 16 divisors (see below), whose sum is σ = 829615200. Its totient is φ = 199107504.

The previous prime is 420338183. The next prime is 420338221. The reversal of 420338216 is 612833024.

It is an unprimeable number.

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, 1382540 + ... + 1382843.

It is an arithmetic number, because the mean of its divisors is an integer number (51850950).

Almost surely, 2^420338216 is an apocalyptic number.

It is an amenable number.

420338216 is a deficient number, since it is larger than the sum of its proper divisors (409276984).

420338216 is a wasteful number, since it uses less digits than its factorization.

420338216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765408 (or 2765404 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 420338216 is about 20502.1514968552. The cubic root of 420338216 is about 749.0882051412.

The spelling of 420338216 in words is "four hundred twenty million, three hundred thirty-eight thousand, two hundred sixteen".