38818338 has 16 divisors (see below), whose sum is σ = 83608896. Its totient is φ = 11944080.

The previous prime is 38818321. The next prime is 38818357. The reversal of 38818338 is 83381883.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38818338.

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, 248758 + ... + 248913.

It is an arithmetic number, because the mean of its divisors is an integer number (5225556).

Almost surely, 2^38818338 is an apocalyptic number.

38818338 is an abundant number, since it is smaller than the sum of its proper divisors (44790558).

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

38818338 is a wasteful number, since it uses less digits than its factorization.

38818338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497689.

The product of its digits is 110592, while the sum is 42.

The square root of 38818338 is about 6230.4364213111. The cubic root of 38818338 is about 338.5937825381.

The spelling of 38818338 in words is "thirty-eight million, eight hundred eighteen thousand, three hundred thirty-eight".