2151344 has 20 divisors (see below), whose sum is σ = 4489296. Its totient is φ = 992832.

The previous prime is 2151337. The next prime is 2151349. The reversal of 2151344 is 4431512.

It is not an unprimeable number, because it can be changed into a prime (2151349) 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, 4964 + ... + 5379.

2^2151344 is an apocalyptic number.

It is an amenable number.

2151344 is an abundant number, since it is smaller than the sum of its proper divisors (2337952).

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

2151344 is a wasteful number, since it uses less digits than its factorization.

2151344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364 (or 10358 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 2151344 is about 1466.7460584573. The cubic root of 2151344 is about 129.0931762780.

Adding to 2151344 its reverse (4431512), we get a palindrome (6582856).

The spelling of 2151344 in words is "two million, one hundred fifty-one thousand, three hundred forty-four".