2638383 has 16 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 1504640.

The previous prime is 2638381. The next prime is 2638403. The reversal of 2638383 is 3838362.

It is a cyclic number.

It is not a de Polignac number, because 2638383 - 2¹ = 2638381 is a prime.

It is a super-2 number, since 2×2638383² = 13922129709378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

2^2638383 is an apocalyptic number.

2638383 is a deficient number, since it is larger than the sum of its proper divisors (1425873).

2638383 is a wasteful number, since it uses less digits than its factorization.

2638383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734.

The product of its digits is 20736, while the sum is 33.

The square root of 2638383 is about 1624.3100073570. The cubic root of 2638383 is about 138.1802412757.

It can be divided in two parts, 263 and 8383, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 2638383 in words is "two million, six hundred thirty-eight thousand, three hundred eighty-three".