2152656 has 100 divisors (see below), whose sum is σ = 6841824. Its totient is φ = 648000.

The previous prime is 2152637. The next prime is 2152663. The reversal of 2152656 is 6562512.

2152656 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 656 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14181 + ... + 14331.

2^2152656 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 2152656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3420912).

2152656 is an abundant number, since it is smaller than the sum of its proper divisors (4689168).

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

2152656 is a wasteful number, since it uses less digits than its factorization.

2152656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 167 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2152656 is about 1467.1932388067. The cubic root of 2152656 is about 129.1194134936.

The spelling of 2152656 in words is "two million, one hundred fifty-two thousand, six hundred fifty-six".