2378816 has 56 divisors (see below), whose sum is σ = 5364480. Its totient is φ = 1036800.

The previous prime is 2378807. The next prime is 2378843. The reversal of 2378816 is 6188732.

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, 21770 + ... + 21878.

2^2378816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2378816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682240).

2378816 is an abundant number, since it is smaller than the sum of its proper divisors (2985664).

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

2378816 is a wasteful number, since it uses less digits than its factorization.

2378816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 153 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2378816 is about 1542.3410777127. The cubic root of 2378816 is about 133.4915011867.

The spelling of 2378816 in words is "two million, three hundred seventy-eight thousand, eight hundred sixteen".