2278936 has 64 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 927360.

The previous prime is 2278891. The next prime is 2278943. The reversal of 2278936 is 6398722.

Its product of digits (36288) is a multiple of the sum of its prime divisors (108).

It is a junction number, because it is equal to n+sod(n) for n = 2278895 and 2278904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48465 + ... + 48511.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^2278936 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 2278936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592000).

2278936 is an abundant number, since it is smaller than the sum of its proper divisors (2905064).

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

2278936 is a wasteful number, since it uses less digits than its factorization.

2278936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 108 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 2278936 is about 1509.6145203329. The cubic root of 2278936 is about 131.5964103812.

The spelling of 2278936 in words is "two million, two hundred seventy-eight thousand, nine hundred thirty-six".