2287516 has 36 divisors (see below), whose sum is σ = 5084856. Its totient is φ = 890400.

The previous prime is 2287507. The next prime is 2287529. The reversal of 2287516 is 6157822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1626 + ... + 2686.

It is an arithmetic number, because the mean of its divisors is an integer number (141246).

2^2287516 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 2287516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542428).

2287516 is an abundant number, since it is smaller than the sum of its proper divisors (2797340).

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

2287516 is a wasteful number, since it uses less digits than its factorization.

2287516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1081 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2287516 is about 1512.4536356530. The cubic root of 2287516 is about 131.7613533154.

It can be divided in two parts, 228 and 7516, that added together give a square (7744 = 88²).

The spelling of 2287516 in words is "two million, two hundred eighty-seven thousand, five hundred sixteen".