3921194 has 8 divisors (see below), whose sum is σ = 5897028. Its totient is φ = 1955520.

The previous prime is 3921193. The next prime is 3921209. The reversal of 3921194 is 4911293.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 1155625 = 1663^2 + 1075^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3921191) 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 3 ways as a sum of consecutive naturals, for example, 1487 + ... + 3170.

Almost surely, 2^3921194 is an apocalyptic number.

3921194 is a deficient number, since it is larger than the sum of its proper divisors (1975834).

3921194 is a wasteful number, since it uses less digits than its factorization.

3921194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080.

The product of its digits is 1944, while the sum is 29.

The square root of 3921194 is about 1980.2004948994. The cubic root of 3921194 is about 157.6907104462.

Subtracting 3921194 from its reverse (4911293), we obtain a palindrome (990099).

The spelling of 3921194 in words is "three million, nine hundred twenty-one thousand, one hundred ninety-four".