2153788 has 48 divisors (see below), whose sum is σ = 4763584. Its totient is φ = 829440.

The previous prime is 2153779. The next prime is 2153797. The reversal of 2153788 is 8873512.

2153788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2153779) and next prime (2153797).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22156 + ... + 22252.

2^2153788 is an apocalyptic number.

2153788 is a gapful number since it is divisible by the number (28) 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 2153788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2381792).

2153788 is an abundant number, since it is smaller than the sum of its proper divisors (2609796).

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

2153788 is a wasteful number, since it uses less digits than its factorization.

2153788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 180 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 2153788 is about 1467.5789586935. The cubic root of 2153788 is about 129.1420425253.

The spelling of 2153788 in words is "two million, one hundred fifty-three thousand, seven hundred eighty-eight".