2152276 has 36 divisors (see below), whose sum is σ = 4468800. Its totient is φ = 904176.

The previous prime is 2152247. The next prime is 2152291. The reversal of 2152276 is 6722512.

It is a self number, because there is not a number n which added to its sum of digits gives 2152276.

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, 15415 + ... + 15553.

2^2152276 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 2152276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234400).

2152276 is an abundant number, since it is smaller than the sum of its proper divisors (2316524).

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

2152276 is a wasteful number, since it uses less digits than its factorization.

2152276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 227 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 2152276 is about 1467.0637341302. The cubic root of 2152276 is about 129.1118153970. Note that the first 3 decimals are identical.

Adding to 2152276 its reverse (6722512), we get a palindrome (8874788).

The spelling of 2152276 in words is "two million, one hundred fifty-two thousand, two hundred seventy-six".