38065818 has 16 divisors (see below), whose sum is σ = 87007680. Its totient is φ = 10875936.

The previous prime is 38065751. The next prime is 38065829. The reversal of 38065818 is 81856083.

It is a happy number.

It is a Curzon 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, 453123 + ... + 453206.

It is an arithmetic number, because the mean of its divisors is an integer number (5437980).

Almost surely, 2^38065818 is an apocalyptic number.

38065818 is an abundant number, since it is smaller than the sum of its proper divisors (48941862).

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

38065818 is a wasteful number, since it uses less digits than its factorization.

38065818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906341.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 38065818 is about 6169.7502380566. The cubic root of 38065818 is about 336.3915326665.

It can be divided in two parts, 38065 and 818, that added together give a palindrome (38883).

The spelling of 38065818 in words is "thirty-eight million, sixty-five thousand, eight hundred eighteen".