2156652 has 48 divisors (see below), whose sum is σ = 5891200. Its totient is φ = 680400.

The previous prime is 2156647. The next prime is 2156659. The reversal of 2156652 is 2566512.

2156652 is a `hidden beast` number, since 2 + 1 + 5 + 6 + 652 = 666.

It is a super-2 number, since 2×2156652² = 9302295698208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2156659) 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, 1527 + ... + 2577.

2^2156652 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 2156652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945600).

2156652 is an abundant number, since it is smaller than the sum of its proper divisors (3734548).

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

2156652 is a wasteful number, since it uses less digits than its factorization.

2156652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1075 counting only the distinct ones).

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

The square root of 2156652 is about 1468.5543912297. The cubic root of 2156652 is about 129.1992593899.

The spelling of 2156652 in words is "two million, one hundred fifty-six thousand, six hundred fifty-two".