2038605 has 32 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 982080.

The previous prime is 2038579. The next prime is 2038607. The reversal of 2038605 is 5068302.

2038605 = 447² + 448² + ... + 456².

It is not a de Polignac number, because 2038605 - 2⁵ = 2038573 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038607) 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 31 ways as a sum of consecutive naturals, for example, 6400 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2^2038605 is an apocalyptic number.

It is an amenable number.

2038605 is a deficient number, since it is larger than the sum of its proper divisors (1555635).

2038605 is a wasteful number, since it uses less digits than its factorization.

2038605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2038605 is about 1427.7972545148. The cubic root of 2038605 is about 126.7975985308.

The spelling of 2038605 in words is "two million, thirty-eight thousand, six hundred five".