2684047 has 4 divisors (see below), whose sum is σ = 2688336. Its totient is φ = 2679760.

The previous prime is 2684041. The next prime is 2684053. The reversal of 2684047 is 7404862.

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 (2684041) and next prime (2684053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2684047 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684041) 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, 1003 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (672084).

2^2684047 is an apocalyptic number.

2684047 is a deficient number, since it is larger than the sum of its proper divisors (4289).

2684047 is an equidigital number, since it uses as much as digits as its factorization.

2684047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2684047 is about 1638.3061374481. The cubic root of 2684047 is about 138.9728739572.

The spelling of 2684047 in words is "two million, six hundred eighty-four thousand, forty-seven".