3918242 has 8 divisors (see below), whose sum is σ = 5952000. Its totient is φ = 1934244.

The previous prime is 3918209. The next prime is 3918251. The reversal of 3918242 is 2428193.

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

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, 12242 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (744000).

Almost surely, 2^3918242 is an apocalyptic number.

3918242 is a deficient number, since it is larger than the sum of its proper divisors (2033758).

3918242 is a wasteful number, since it uses less digits than its factorization.

3918242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880.

The product of its digits is 3456, while the sum is 29.

The square root of 3918242 is about 1979.4549754920. The cubic root of 3918242 is about 157.6511289784.

It can be divided in two parts, 39 and 18242, that added together give a palindrome (18281).

The spelling of 3918242 in words is "three million, nine hundred eighteen thousand, two hundred forty-two".