3838383838 has 32 divisors (see below), whose sum is σ = 6232020480. Its totient is φ = 1767096000.

The previous prime is 3838383833. The next prime is 3838383841. The reversal of 3838383838 is 8383838383.

It is a happy number.

It is a super-2 number, since 2×3838383838² = 29466380975639220488, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

3838383838 is an undulating number in base 10.

3838383838 is a modest number, since divided by 383838 gives 3838 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838383833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417673 + ... + 426763.

It is an arithmetic number, because the mean of its divisors is an integer number (194750640).

Almost surely, 2^3838383838 is an apocalyptic number.

3838383838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3838383838 is a deficient number, since it is larger than the sum of its proper divisors (2393636642).

3838383838 is a wasteful number, since it uses less digits than its factorization.

3838383838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424.

The product of its digits is 7962624, while the sum is 55.

The square root of 3838383838 is about 61954.6918158746. The cubic root of 3838383838 is about 1565.7273360454.

Adding to 3838383838 its reverse (8383838383), we get a palindrome (12222222221).

It can be divided in two parts, 38383 and 83838, that added together give a palindrome (122221).

The spelling of 3838383838 in words is "three billion, eight hundred thirty-eight million, three hundred eighty-three thousand, eight hundred thirty-eight".