46918218 has 8 divisors (see below), whose sum is σ = 93836448. Its totient is φ = 15639404.

The previous prime is 46918189. The next prime is 46918231. The reversal of 46918218 is 81281964.

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

46918218 is an admirable number.

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, 3909846 + ... + 3909857.

It is an arithmetic number, because the mean of its divisors is an integer number (11729556).

Almost surely, 2^46918218 is an apocalyptic number.

46918218 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.

46918218 is a wasteful number, since it uses less digits than its factorization.

46918218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819708.

The product of its digits is 27648, while the sum is 39.

The square root of 46918218 is about 6849.6874381245. The cubic root of 46918218 is about 360.6731694580.

The spelling of 46918218 in words is "forty-six million, nine hundred eighteen thousand, two hundred eighteen".