8344478 has 4 divisors (see below), whose sum is σ = 12516720. Its totient is φ = 4172238.

The previous prime is 8344403. The next prime is 8344481. The reversal of 8344478 is 8744438.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086118 + ... + 2086121.

It is an arithmetic number, because the mean of its divisors is an integer number (3129180).

Almost surely, 2^8344478 is an apocalyptic number.

8344478 is a deficient number, since it is larger than the sum of its proper divisors (4172242).

8344478 is a wasteful number, since it uses less digits than its factorization.

8344478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172241.

The product of its digits is 86016, while the sum is 38.

The square root of 8344478 is about 2888.6810138885. The cubic root of 8344478 is about 202.8304050778.

The spelling of 8344478 in words is "eight million, three hundred forty-four thousand, four hundred seventy-eight".