2664347 has 4 divisors (see below), whose sum is σ = 3044976. Its totient is φ = 2283720.

The previous prime is 2664341. The next prime is 2664353. The reversal of 2664347 is 7434662.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2664341) and next prime (2664353).

It is a cyclic number.

It is not a de Polignac number, because 2664347 - 2¹⁶ = 2598811 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190304 + ... + 190317.

It is an arithmetic number, because the mean of its divisors is an integer number (761244).

2^2664347 is an apocalyptic number.

2664347 is a deficient number, since it is larger than the sum of its proper divisors (380629).

2664347 is an equidigital number, since it uses as much as digits as its factorization.

2664347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380628.

The product of its digits is 24192, while the sum is 32.

The square root of 2664347 is about 1632.2827573677. The cubic root of 2664347 is about 138.6320340296.

The spelling of 2664347 in words is "two million, six hundred sixty-four thousand, three hundred forty-seven".