2296728 has 128 divisors (see below), whose sum is σ = 7680000. Its totient is φ = 635040.

The previous prime is 2296727. The next prime is 2296729. The reversal of 2296728 is 8276922.

It is an interprime number because it is at equal distance from previous prime (2296727) and next prime (2296729).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 2296692 and 2296701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2296727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74073 + ... + 74103.

It is an arithmetic number, because the mean of its divisors is an integer number (60000).

2^2296728 is an apocalyptic number.

2296728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2296728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3840000).

2296728 is an abundant number, since it is smaller than the sum of its proper divisors (5383272).

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

2296728 is a wasteful number, since it uses less digits than its factorization.

2296728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 43 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2296728 is about 1515.4959584242. The cubic root of 2296728 is about 131.9379874004.

The spelling of 2296728 in words is "two million, two hundred ninety-six thousand, seven hundred twenty-eight".