38299818 has 16 divisors (see below), whose sum is σ = 79070976. Its totient is φ = 12354720.

The previous prime is 38299817. The next prime is 38299837. The reversal of 38299818 is 81899283.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38299817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102771 + ... + 103142.

It is an arithmetic number, because the mean of its divisors is an integer number (4941936).

Almost surely, 2^38299818 is an apocalyptic number.

38299818 is an abundant number, since it is smaller than the sum of its proper divisors (40771158).

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

38299818 is a wasteful number, since it uses less digits than its factorization.

38299818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205949.

The product of its digits is 248832, while the sum is 48.

The square root of 38299818 is about 6188.6846744684. The cubic root of 38299818 is about 337.0794190396.

The spelling of 38299818 in words is "thirty-eight million, two hundred ninety-nine thousand, eight hundred eighteen".