420896443 has 12 divisors (see below), whose sum is σ = 464010400. Its totient is φ = 381498480.

The previous prime is 420896431. The next prime is 420896453. The reversal of 420896443 is 344698024.

It is not a de Polignac number, because 420896443 - 2⁹ = 420895931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420896396 and 420896405.

It is not an unprimeable number, because it can be changed into a prime (420896453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37246 + ... + 47212.

Almost surely, 2^420896443 is an apocalyptic number.

420896443 is a deficient number, since it is larger than the sum of its proper divisors (43113957).

420896443 is a wasteful number, since it uses less digits than its factorization.

420896443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338 (or 10327 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 420896443 is about 20515.7608438001. The cubic root of 420896443 is about 749.4196654352.

The spelling of 420896443 in words is "four hundred twenty million, eight hundred ninety-six thousand, four hundred forty-three".