2149648 has 10 divisors (see below), whose sum is σ = 4164974. Its totient is φ = 1074816.

The previous prime is 2149621. The next prime is 2149661. The reversal of 2149648 is 8469412.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 831744 = 1148^2 + 912^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67161 + ... + 67192.

2^2149648 is an apocalyptic number.

It is an amenable number.

2149648 is a deficient number, since it is larger than the sum of its proper divisors (2015326).

2149648 is a wasteful number, since it uses less digits than its factorization.

2149648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134361 (or 134355 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 2149648 is about 1466.1677939445. The cubic root of 2149648 is about 129.0592440654.

The spelling of 2149648 in words is "two million, one hundred forty-nine thousand, six hundred forty-eight".