2278326 has 8 divisors (see below), whose sum is σ = 4556664. Its totient is φ = 759440.

The previous prime is 2278313. The next prime is 2278343. The reversal of 2278326 is 6238722.

2278326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2278326 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 7⁵ + 8³ + 3² + 2²¹ + 6 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2278293 and 2278302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189855 + ... + 189866.

It is an arithmetic number, because the mean of its divisors is an integer number (569583).

2^2278326 is an apocalyptic number.

2278326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2278326 is a wasteful number, since it uses less digits than its factorization.

2278326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379726.

The product of its digits is 8064, while the sum is 30.

The square root of 2278326 is about 1509.4124684790. The cubic root of 2278326 is about 131.5846679169.

The spelling of 2278326 in words is "two million, two hundred seventy-eight thousand, three hundred twenty-six".