2638983 has 4 divisors (see below), whose sum is σ = 3518648. Its totient is φ = 1759320.

The previous prime is 2638973. The next prime is 2639041. The reversal of 2638983 is 3898362.

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

It is not a de Polignac number, because 2638983 - 2⁶ = 2638919 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6⁵ + 3³ + 8³ + 9⁶ + 8⁷ + 3³ .

It is a D-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 (2638973) 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, 439828 + ... + 439833.

It is an arithmetic number, because the mean of its divisors is an integer number (879662).

2^2638983 is an apocalyptic number.

2638983 is a deficient number, since it is larger than the sum of its proper divisors (879665).

2638983 is an equidigital number, since it uses as much as digits as its factorization.

2638983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879664.

The product of its digits is 62208, while the sum is 39.

The square root of 2638983 is about 1624.4946906654. The cubic root of 2638983 is about 138.1907150975.

It can be divided in two parts, 263898 and 3, that added together give a triangular number (263901 = T₇₂₆).

The spelling of 2638983 in words is "two million, six hundred thirty-eight thousand, nine hundred eighty-three".