2623839 has 8 divisors (see below), whose sum is σ = 3546672. Its totient is φ = 1725120.

The previous prime is 2623807. The next prime is 2623847. The reversal of 2623839 is 9383262.

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

It is not a de Polignac number, because 2623839 - 2⁵ = 2623807 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 2¹⁹ + 3³ + 8⁷ + 3³ + 9² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623039) 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, 5772 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (443334).

2^2623839 is an apocalyptic number.

2623839 is a deficient number, since it is larger than the sum of its proper divisors (922833).

2623839 is a wasteful number, since it uses less digits than its factorization.

2623839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057.

The product of its digits is 15552, while the sum is 33.

The square root of 2623839 is about 1619.8268425977. The cubic root of 2623839 is about 137.9258686075.

The spelling of 2623839 in words is "two million, six hundred twenty-three thousand, eight hundred thirty-nine".