2154488 has 32 divisors (see below), whose sum is σ = 4684800. Its totient is φ = 909792.

The previous prime is 2154487. The next prime is 2154491. The reversal of 2154488 is 8844512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (146400).

2^2154488 is an apocalyptic number.

2154488 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 2154488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342400).

2154488 is an abundant number, since it is smaller than the sum of its proper divisors (2530312).

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

2154488 is a wasteful number, since it uses less digits than its factorization.

2154488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 575 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 2154488 is about 1467.8174273390. The cubic root of 2154488 is about 129.1560317756.

The spelling of 2154488 in words is "two million, one hundred fifty-four thousand, four hundred eighty-eight".