2154268 has 6 divisors (see below), whose sum is σ = 3769976. Its totient is φ = 1077132.

The previous prime is 2154259. The next prime is 2154281. The reversal of 2154268 is 8624512.

2154268 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269280 + ... + 269287.

2^2154268 is an apocalyptic number.

It is an amenable number.

2154268 is a deficient number, since it is larger than the sum of its proper divisors (1615708).

2154268 is a wasteful number, since it uses less digits than its factorization.

2154268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538571 (or 538569 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2154268 is about 1467.7424842253. The cubic root of 2154268 is about 129.1516354806.

It can be divided in two parts, 21 and 54268, that added together give a square (54289 = 233²).

The spelling of 2154268 in words is "two million, one hundred fifty-four thousand, two hundred sixty-eight".