2154272 has 24 divisors (see below), whose sum is σ = 4427136. Its totient is φ = 1029952.

The previous prime is 2154259. The next prime is 2154281. The reversal of 2154272 is 2724512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

2^2154272 is an apocalyptic number.

It is an amenable number.

2154272 is an abundant number, since it is smaller than the sum of its proper divisors (2272864).

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

2154272 is a wasteful number, since it uses less digits than its factorization.

2154272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2952 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 2154272 is about 1467.7438468616. The cubic root of 2154272 is about 129.1517154159.

Adding to 2154272 its reverse (2724512), we get a palindrome (4878784).

The spelling of 2154272 in words is "two million, one hundred fifty-four thousand, two hundred seventy-two".