421107318 has 24 divisors (see below), whose sum is σ = 943862400. Its totient is φ = 135528624.

The previous prime is 421107307. The next prime is 421107331. The reversal of 421107318 is 813701124.

It is a junction number, because it is equal to n+sod(n) for n = 421107291 and 421107300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402838 + ... + 403881.

It is an arithmetic number, because the mean of its divisors is an integer number (39327600).

Almost surely, 2^421107318 is an apocalyptic number.

421107318 is an abundant number, since it is smaller than the sum of its proper divisors (522755082).

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

421107318 is a wasteful number, since it uses less digits than its factorization.

421107318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806756 (or 806753 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 421107318 is about 20520.8995416868. The cubic root of 421107318 is about 749.5448011145.

The spelling of 421107318 in words is "four hundred twenty-one million, one hundred seven thousand, three hundred eighteen".