2605384 has 8 divisors (see below), whose sum is σ = 4885110. Its totient is φ = 1302688.

The previous prime is 2605373. The next prime is 2605387. The reversal of 2605384 is 4835062.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 77284 = 1590^2 + 278^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2605387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162829 + ... + 162844.

2^2605384 is an apocalyptic number.

It is an amenable number.

2605384 is a deficient number, since it is larger than the sum of its proper divisors (2279726).

2605384 is a wasteful number, since it uses less digits than its factorization.

2605384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325679 (or 325675 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2605384 is about 1614.1201937898. The cubic root of 2605384 is about 137.6017362770.

The spelling of 2605384 in words is "two million, six hundred five thousand, three hundred eighty-four".