421823862 has 20 divisors (see below), whose sum is σ = 945198276. Its totient is φ = 140607900.

The previous prime is 421823861. The next prime is 421823869. The reversal of 421823862 is 268328124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421823861) 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 9 ways as a sum of consecutive naturals, for example, 1301764 + ... + 1302087.

Almost surely, 2^421823862 is an apocalyptic number.

421823862 is an abundant number, since it is smaller than the sum of its proper divisors (523374414).

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

421823862 is a wasteful number, since it uses less digits than its factorization.

421823862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603865 (or 2603856 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 421823862 is about 20538.3510048884. The cubic root of 421823862 is about 749.9696947755.

The spelling of 421823862 in words is "four hundred twenty-one million, eight hundred twenty-three thousand, eight hundred sixty-two".