2157852 has 12 divisors (see below), whose sum is σ = 5035016. Its totient is φ = 719280.

The previous prime is 2157851. The next prime is 2157863. The reversal of 2157852 is 2587512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89899 + ... + 89922.

2^2157852 is an apocalyptic number.

It is an amenable number.

2157852 is an abundant number, since it is smaller than the sum of its proper divisors (2877164).

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

2157852 is a wasteful number, since it uses less digits than its factorization.

2157852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179828 (or 179826 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2157852 is about 1468.9628994634. The cubic root of 2157852 is about 129.2232178781.

The spelling of 2157852 in words is "two million, one hundred fifty-seven thousand, eight hundred fifty-two".