2153412 has 48 divisors (see below), whose sum is σ = 5662720. Its totient is φ = 707616.

The previous prime is 2153401. The next prime is 2153419. The reversal of 2153412 is 2143512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2153419) 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, 13638 + ... + 13794.

2^2153412 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 2153412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831360).

2153412 is an abundant number, since it is smaller than the sum of its proper divisors (3509308).

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

2153412 is a wasteful number, since it uses less digits than its factorization.

2153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 289 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2153412 is about 1467.4508509657. The cubic root of 2153412 is about 129.1345270481.

Adding to 2153412 its reverse (2143512), we get a palindrome (4296924).

The spelling of 2153412 in words is "two million, one hundred fifty-three thousand, four hundred twelve".