39442218 has 8 divisors (see below), whose sum is σ = 78884448. Its totient is φ = 13147404.

The previous prime is 39442201. The next prime is 39442241. The reversal of 39442218 is 81224493.

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

39442218 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, 3286846 + ... + 3286857.

It is an arithmetic number, because the mean of its divisors is an integer number (9860556).

Almost surely, 2^39442218 is an apocalyptic number.

39442218 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.

39442218 is a wasteful number, since it uses less digits than its factorization.

39442218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573708.

The product of its digits is 13824, while the sum is 33.

The square root of 39442218 is about 6280.3039735350. The cubic root of 39442218 is about 340.3980862020.

The spelling of 39442218 in words is "thirty-nine million, four hundred forty-two thousand, two hundred eighteen".