2148656 has 10 divisors (see below), whose sum is σ = 4163052. Its totient is φ = 1074320.

The previous prime is 2148649. The next prime is 2148659. The reversal of 2148656 is 6568412.

It is not an unprimeable number, because it can be changed into a prime (2148659) 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 as a sum of consecutive naturals, namely, 67130 + ... + 67161.

2^2148656 is an apocalyptic number.

It is an amenable number.

2148656 is a deficient number, since it is larger than the sum of its proper divisors (2014396).

2148656 is a wasteful number, since it uses less digits than its factorization.

2148656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134299 (or 134293 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2148656 is about 1465.8294580203. The cubic root of 2148656 is about 129.0393886490.

The spelling of 2148656 in words is "two million, one hundred forty-eight thousand, six hundred fifty-six".