2154368 has 16 divisors (see below), whose sum is σ = 4292160. Its totient is φ = 1077120.

The previous prime is 2154331. The next prime is 2154389. The reversal of 2154368 is 8634512.

It is a tau number, because it is divible by the number of its divisors (16).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8288 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (268260).

2^2154368 is an apocalyptic number.

It is an amenable number.

2154368 is a deficient number, since it is larger than the sum of its proper divisors (2137792).

2154368 is an equidigital number, since it uses as much as digits as its factorization.

2154368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16845 (or 16833 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2154368 is about 1467.7765497514. The cubic root of 2154368 is about 129.1536338336.

The spelling of 2154368 in words is "two million, one hundred fifty-four thousand, three hundred sixty-eight".