2684597 has 4 divisors (see below), whose sum is σ = 2689260. Its totient is φ = 2679936.

The previous prime is 2684587. The next prime is 2684599. The reversal of 2684597 is 7954862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7954862 = 2 ⋅3977431.

It can be written as a sum of positive squares in 2 ways, for example, as 1069156 + 1615441 = 1034^2 + 1271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684597 - 2¹⁴ = 2668213 is a prime.

It is a super-2 number, since 2×2684597² = 14414122104818, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 6⁶ + 8⁷ + 4⁵ + 5³ + 9⁶ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (672315).

2^2684597 is an apocalyptic number.

It is an amenable number.

2684597 is a deficient number, since it is larger than the sum of its proper divisors (4663).

2684597 is an equidigital number, since it uses as much as digits as its factorization.

2684597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662.

The product of its digits is 120960, while the sum is 41.

The square root of 2684597 is about 1638.4739851459. The cubic root of 2684597 is about 138.9823658253.

The spelling of 2684597 in words is "two million, six hundred eighty-four thousand, five hundred ninety-seven".