38816838 has 12 divisors (see below), whose sum is σ = 84103188. Its totient is φ = 12938940.

The previous prime is 38816821. The next prime is 38816839. The reversal of 38816838 is 83861883.

It is a junction number, because it is equal to n+sod(n) for n = 38816793 and 38816802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38816839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1078228 + ... + 1078263.

It is an arithmetic number, because the mean of its divisors is an integer number (7008599).

Almost surely, 2^38816838 is an apocalyptic number.

38816838 is an abundant number, since it is smaller than the sum of its proper divisors (45286350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38816838 is a wasteful number, since it uses less digits than its factorization.

38816838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156499 (or 2156496 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 38816838 is about 6230.3160433480. The cubic root of 38816838 is about 338.5894212213.

The spelling of 38816838 in words is "thirty-eight million, eight hundred sixteen thousand, eight hundred thirty-eight".