2156352 has 56 divisors (see below), whose sum is σ = 6230112. Its totient is φ = 652800.

The previous prime is 2156351. The next prime is 2156359. The reversal of 2156352 is 2536512.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2⁶ + 1 + 5² + 6² + 3¹⁰ + 5² + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 2622.

It is an arithmetic number, because the mean of its divisors is an integer number (111252).

2^2156352 is an apocalyptic number.

2156352 is a gapful number since it is divisible by the number (22) 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 2156352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3115056).

2156352 is an abundant number, since it is smaller than the sum of its proper divisors (4073760).

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

2156352 is a wasteful number, since it uses less digits than its factorization.

2156352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1037 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 2156352 is about 1468.4522464146. The cubic root of 2156352 is about 129.1932683793.

The spelling of 2156352 in words is "two million, one hundred fifty-six thousand, three hundred fifty-two".