2203768 has 64 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 857472.

The previous prime is 2203763. The next prime is 2203771. The reversal of 2203768 is 8673022.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37323 + ... + 37381.

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

2^2203768 is an apocalyptic number.

2203768 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 2203768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592000).

2203768 is an abundant number, since it is smaller than the sum of its proper divisors (2980232).

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

2203768 is a wasteful number, since it uses less digits than its factorization.

2203768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2203768 is about 1484.5093465519. The cubic root of 2203768 is about 130.1333542824.

The spelling of 2203768 in words is "two million, two hundred three thousand, seven hundred sixty-eight".