2288936 has 24 divisors (see below), whose sum is σ = 4650030. Its totient is φ = 1055808.

The previous prime is 2288929. The next prime is 2288939. The reversal of 2288936 is 6398822.

2288936 = 223² + 224² + ... + 261².

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1012036 + 1276900 = 1006^2 + 1130^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2288936.

It is not an unprimeable number, because it can be changed into a prime (2288939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506 + ... + 2198.

2^2288936 is an apocalyptic number.

2288936 is a gapful number since it is divisible by the number (26) 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 2288936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325015).

2288936 is an abundant number, since it is smaller than the sum of its proper divisors (2361094).

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

2288936 is a wasteful number, since it uses less digits than its factorization.

2288936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1708 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 2288936 is about 1512.9229987015. The cubic root of 2288936 is about 131.7886117652.

The spelling of 2288936 in words is "two million, two hundred eighty-eight thousand, nine hundred thirty-six".