421113418 has 8 divisors (see below), whose sum is σ = 689094720. Its totient is φ = 191415180.

The previous prime is 421113403. The next prime is 421113533. The reversal of 421113418 is 814311124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 421113392 and 421113401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9570738 + ... + 9570781.

It is an arithmetic number, because the mean of its divisors is an integer number (86136840).

Almost surely, 2^421113418 is an apocalyptic number.

421113418 is a deficient number, since it is larger than the sum of its proper divisors (267981302).

421113418 is a wasteful number, since it uses less digits than its factorization.

421113418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19141532.

The product of its digits is 768, while the sum is 25.

The square root of 421113418 is about 20521.0481701106. The cubic root of 421113418 is about 749.5484203038.

The spelling of 421113418 in words is "four hundred twenty-one million, one hundred thirteen thousand, four hundred eighteen".