3918194 has 32 divisors (see below), whose sum is σ = 7226496. Its totient is φ = 1555200.

The previous prime is 3918193. The next prime is 3918197. The reversal of 3918194 is 4918193.

It is not an unprimeable number, because it can be changed into a prime (3918193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23957 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (225828).

Almost surely, 2^3918194 is an apocalyptic number.

3918194 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3918194 is a deficient number, since it is larger than the sum of its proper divisors (3308302).

3918194 is a wasteful number, since it uses less digits than its factorization.

3918194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its digits is 7776, while the sum is 35.

The square root of 3918194 is about 1979.4428509053. The cubic root of 3918194 is about 157.6504852131.

Subtracting 3918194 from its reverse (4918193), we obtain a palindrome (999999).

The spelling of 3918194 in words is "three million, nine hundred eighteen thousand, one hundred ninety-four".