8378416 has 20 divisors (see below), whose sum is σ = 17188632. Its totient is φ = 3942656.

The previous prime is 8378407. The next prime is 8378431. The reversal of 8378416 is 6148738.

It is a happy number.

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 in 3 ways as a sum of consecutive naturals, for example, 15130 + ... + 15673.

Almost surely, 2^8378416 is an apocalyptic number.

It is an amenable number.

8378416 is an abundant number, since it is smaller than the sum of its proper divisors (8810216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8378416 is a wasteful number, since it uses less digits than its factorization.

8378416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828 (or 30822 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 8378416 is about 2894.5493604359. The cubic root of 8378416 is about 203.1050117136.

The spelling of 8378416 in words is "eight million, three hundred seventy-eight thousand, four hundred sixteen".