2641385 has 8 divisors (see below), whose sum is σ = 3178440. Its totient is φ = 2107264.

The previous prime is 2641369. The next prime is 2641391. The reversal of 2641385 is 5831462.

2641385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 394384 + 2247001 = 628^2 + 1499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2641385 - 2⁴ = 2641369 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (397305).

2^2641385 is an apocalyptic number.

It is an amenable number.

2641385 is a deficient number, since it is larger than the sum of its proper divisors (537055).

2641385 is an equidigital number, since it uses as much as digits as its factorization.

2641385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

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

The square root of 2641385 is about 1625.2338293304. The cubic root of 2641385 is about 138.2326294057.

The spelling of 2641385 in words is "two million, six hundred forty-one thousand, three hundred eighty-five".