838383838 has 16 divisors (see below), whose sum is σ = 1295714880. Its totient is φ = 406637056.

The previous prime is 838383803. The next prime is 838383853.

It is a happy number.

838383838 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×838383838² = 1405774919639220488, which contains 22 as substring.

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

838383838 is an undulating number in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28843 + ... + 50086.

It is an arithmetic number, because the mean of its divisors is an integer number (80982180).

Almost surely, 2^838383838 is an apocalyptic number.

838383838 is a deficient number, since it is larger than the sum of its proper divisors (457331042).

838383838 is a wasteful number, since it uses less digits than its factorization.

838383838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79091.

The product of its digits is 2654208, while the sum is 52.

The square root of 838383838 is about 28954.8586251082. The cubic root of 838383838 is about 942.9332839315.

The spelling of 838383838 in words is "eight hundred thirty-eight million, three hundred eighty-three thousand, eight hundred thirty-eight".