2645384 has 32 divisors (see below), whose sum is σ = 5738880. Its totient is φ = 1119744.

The previous prime is 2645371. The next prime is 2645393. The reversal of 2645384 is 4835462.

It is a d-powerful number, because it can be written as 2⁵ + 6⁴ + 4⁵ + 5³ + 3¹³ + 8 + 4¹⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 2645384.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 5675.

It is an arithmetic number, because the mean of its divisors is an integer number (179340).

2^2645384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2869440).

2645384 is an abundant number, since it is smaller than the sum of its proper divisors (3093496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645384 is a wasteful number, since it uses less digits than its factorization.

2645384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 593 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2645384 is about 1626.4636485332. The cubic root of 2645384 is about 138.3023546379.

The spelling of 2645384 in words is "two million, six hundred forty-five thousand, three hundred eighty-four".