2664345 has 8 divisors (see below), whose sum is σ = 4262976. Its totient is φ = 1420976.

The previous prime is 2664341. The next prime is 2664353. The reversal of 2664345 is 5434662.

2664345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2664345 - 2² = 2664341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2664341) by changing a digit.

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, 88797 + ... + 88826.

It is an arithmetic number, because the mean of its divisors is an integer number (532872).

2^2664345 is an apocalyptic number.

It is an amenable number.

2664345 is a deficient number, since it is larger than the sum of its proper divisors (1598631).

2664345 is a wasteful number, since it uses less digits than its factorization.

2664345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177631.

The product of its digits is 17280, while the sum is 30.

The square root of 2664345 is about 1632.2821447287. The cubic root of 2664345 is about 138.6319993414.

The spelling of 2664345 in words is "two million, six hundred sixty-four thousand, three hundred forty-five".