2278416 has 40 divisors (see below), whose sum is σ = 6727744. Its totient is φ = 650880.

The previous prime is 2278379. The next prime is 2278421. The reversal of 2278416 is 6148722.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055 + ... + 3726.

2^2278416 is an apocalyptic number.

It is an amenable number.

2278416 is an abundant number, since it is smaller than the sum of its proper divisors (4449328).

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

2278416 is a wasteful number, since it uses less digits than its factorization.

2278416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799 (or 6793 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 2278416 is about 1509.4422811092. The cubic root of 2278416 is about 131.5864005434.

The spelling of 2278416 in words is "two million, two hundred seventy-eight thousand, four hundred sixteen".