4394678 has 8 divisors (see below), whose sum is σ = 6602472. Its totient is φ = 2193856.

The previous prime is 4394651. The next prime is 4394717. The reversal of 4394678 is 8764934.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (825309).

Almost surely, 2^4394678 is an apocalyptic number.

4394678 is a deficient number, since it is larger than the sum of its proper divisors (2207794).

4394678 is a wasteful number, since it uses less digits than its factorization.

4394678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its digits is 145152, while the sum is 41.

The square root of 4394678 is about 2096.3487305313. The cubic root of 4394678 is about 163.7981603773.

The spelling of 4394678 in words is "four million, three hundred ninety-four thousand, six hundred seventy-eight".