2038021605 has 96 divisors (see below), whose sum is σ = 3986461440. Its totient is φ = 958003200.

The previous prime is 2038021589. The next prime is 2038021619. The reversal of 2038021605 is 5061208302.

2038021605 is a `hidden beast` number, since 2 + 0 + 38 + 0 + 21 + 605 = 666.

It is not a de Polignac number, because 2038021605 - 2⁴ = 2038021589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 726205 + ... + 729005.

It is an arithmetic number, because the mean of its divisors is an integer number (41525640).

Almost surely, 2^2038021605 is an apocalyptic number.

It is an amenable number.

2038021605 is a deficient number, since it is larger than the sum of its proper divisors (1948439835).

2038021605 is a wasteful number, since it uses less digits than its factorization.

2038021605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2038021605 is about 45144.4526492458. The cubic root of 2038021605 is about 1267.8550200034.

Adding to 2038021605 its reverse (5061208302), we get a palindrome (7099229907).

The spelling of 2038021605 in words is "two billion, thirty-eight million, twenty-one thousand, six hundred five".