2647045 has 8 divisors (see below), whose sum is σ = 3185280. Its totient is φ = 2111760.

The previous prime is 2647039. The next prime is 2647049. The reversal of 2647045 is 5407462.

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

It is not a de Polignac number, because 2647045 - 2⁵ = 2647013 is a prime.

2647045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (398160).

2^2647045 is an apocalyptic number.

It is an amenable number.

2647045 is a deficient number, since it is larger than the sum of its proper divisors (538235).

2647045 is an equidigital number, since it uses as much as digits as its factorization.

2647045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2647045 is about 1626.9741854129. The cubic root of 2647045 is about 138.3312946265.

The spelling of 2647045 in words is "two million, six hundred forty-seven thousand, forty-five".