421364868 has 24 divisors (see below), whose sum is σ = 986395872. Its totient is φ = 139996224.

The previous prime is 421364861. The next prime is 421364963. The reversal of 421364868 is 868463124.

It is not an unprimeable number, because it can be changed into a prime (421364861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53505 + ... + 60872.

It is an arithmetic number, because the mean of its divisors is an integer number (41099828).

Almost surely, 2^421364868 is an apocalyptic number.

It is an amenable number.

421364868 is an abundant number, since it is smaller than the sum of its proper divisors (565031004).

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

421364868 is a wasteful number, since it uses less digits than its factorization.

421364868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114691 (or 114689 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 421364868 is about 20527.1738921850. The cubic root of 421364868 is about 749.6975776262.

The spelling of 421364868 in words is "four hundred twenty-one million, three hundred sixty-four thousand, eight hundred sixty-eight".