38819838 has 16 divisors (see below), whose sum is σ = 79292160. Its totient is φ = 12664536.

The previous prime is 38819819. The next prime is 38819849. The reversal of 38819838 is 83891883.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 68548 + ... + 69111.

It is an arithmetic number, because the mean of its divisors is an integer number (4955760).

Almost surely, 2^38819838 is an apocalyptic number.

38819838 is an abundant number, since it is smaller than the sum of its proper divisors (40472322).

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

38819838 is a wasteful number, since it uses less digits than its factorization.

38819838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137711.

The product of its digits is 331776, while the sum is 48.

The square root of 38819838 is about 6230.5567969484. The cubic root of 38819838 is about 338.5981437426.

The spelling of 38819838 in words is "thirty-eight million, eight hundred nineteen thousand, eight hundred thirty-eight".