4878194 has 4 divisors (see below), whose sum is σ = 7317294. Its totient is φ = 2439096.

The previous prime is 4878187. The next prime is 4878217. The reversal of 4878194 is 4918784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4687225 + 190969 = 2165^2 + 437^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1219547 + ... + 1219550.

Almost surely, 2^4878194 is an apocalyptic number.

4878194 is a deficient number, since it is larger than the sum of its proper divisors (2439100).

4878194 is a wasteful number, since it uses less digits than its factorization.

4878194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439099.

The product of its digits is 64512, while the sum is 41.

The square root of 4878194 is about 2208.6633967176. The cubic root of 4878194 is about 169.5975949359.

The spelling of 4878194 in words is "four million, eight hundred seventy-eight thousand, one hundred ninety-four".