406427118 has 8 divisors (see below), whose sum is σ = 812854248. Its totient is φ = 135475704.

The previous prime is 406427117. The next prime is 406427149. The reversal of 406427118 is 811724604.

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

406427118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406427111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33868921 + ... + 33868932.

It is an arithmetic number, because the mean of its divisors is an integer number (101606781).

Almost surely, 2^406427118 is an apocalyptic number.

406427118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406427118 is a wasteful number, since it uses less digits than its factorization.

406427118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67737858.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 406427118 is about 20160.0376487744. The cubic root of 406427118 is about 740.7316345669.

The spelling of 406427118 in words is "four hundred six million, four hundred twenty-seven thousand, one hundred eighteen".