2148456 has 16 divisors (see below), whose sum is σ = 5371200. Its totient is φ = 716144.

The previous prime is 2148451. The next prime is 2148457. The reversal of 2148456 is 6548412.

It is not an unprimeable number, because it can be changed into a prime (2148451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44736 + ... + 44783.

It is an arithmetic number, because the mean of its divisors is an integer number (335700).

2^2148456 is an apocalyptic number.

It is an amenable number.

2148456 is an abundant number, since it is smaller than the sum of its proper divisors (3222744).

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

2148456 is a wasteful number, since it uses less digits than its factorization.

2148456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89528 (or 89524 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 2148456 is about 1465.7612356724. The cubic root of 2148456 is about 129.0353848006.

The spelling of 2148456 in words is "two million, one hundred forty-eight thousand, four hundred fifty-six".