2154441 has 8 divisors (see below), whose sum is σ = 2882464. Its totient is φ = 1431360.

The previous prime is 2154419. The next prime is 2154487. The reversal of 2154441 is 1444512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2154441 - 2⁹ = 2153929 is a prime.

It is a Duffinian number.

It is a Curzon number.

2154441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2154491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (360308).

2^2154441 is an apocalyptic number.

It is an amenable number.

2154441 is a deficient number, since it is larger than the sum of its proper divisors (728023).

2154441 is a wasteful number, since it uses less digits than its factorization.

2154441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its digits is 640, while the sum is 21.

The square root of 2154441 is about 1467.8014170861. The cubic root of 2154441 is about 129.1550925922.

Adding to 2154441 its reverse (1444512), we get a palindrome (3598953).

It can be divided in two parts, 215 and 4441, that added together give a triangular number (4656 = T₉₆).

The spelling of 2154441 in words is "two million, one hundred fifty-four thousand, four hundred forty-one".