421760963 has 12 divisors (see below), whose sum is σ = 457690320. Its totient is φ = 388473696.

The previous prime is 421760929. The next prime is 421760971. The reversal of 421760963 is 369067124.

It is not a de Polignac number, because 421760963 - 2¹⁰ = 421759939 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421760923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83570 + ... + 88472.

It is an arithmetic number, because the mean of its divisors is an integer number (38140860).

Almost surely, 2^421760963 is an apocalyptic number.

421760963 is a deficient number, since it is larger than the sum of its proper divisors (35929357).

421760963 is a wasteful number, since it uses less digits than its factorization.

421760963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5425 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 421760963 is about 20536.8196904974. The cubic root of 421760963 is about 749.9324164286.

The spelling of 421760963 in words is "four hundred twenty-one million, seven hundred sixty thousand, nine hundred sixty-three".