2279816 has 32 divisors (see below), whose sum is σ = 5330880. Its totient is φ = 888000.

The previous prime is 2279813. The next prime is 2279839. The reversal of 2279816 is 6189722.

It is a happy number.

2279816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2279813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (166590).

2^2279816 is an apocalyptic number.

It is an amenable number.

2279816 is an abundant number, since it is smaller than the sum of its proper divisors (3051064).

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

2279816 is a wasteful number, since it uses less digits than its factorization.

2279816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725 (or 3721 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 2279816 is about 1509.9059573364. The cubic root of 2279816 is about 131.6133466383.

The spelling of 2279816 in words is "two million, two hundred seventy-nine thousand, eight hundred sixteen".