2684623 has 8 divisors (see below), whose sum is σ = 2886192. Its totient is φ = 2487936.

The previous prime is 2684611. The next prime is 2684641. The reversal of 2684623 is 3264862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2684623 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 6² + 8³ + 4¹⁰ + 6³ + 2¹⁵ + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (360774).

2^2684623 is an apocalyptic number.

2684623 is a deficient number, since it is larger than the sum of its proper divisors (201569).

2684623 is a wasteful number, since it uses less digits than its factorization.

2684623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441.

The product of its digits is 13824, while the sum is 31.

The square root of 2684623 is about 1638.4819193388. The cubic root of 2684623 is about 138.9828144997.

The spelling of 2684623 in words is "two million, six hundred eighty-four thousand, six hundred twenty-three".