39049818 has 16 divisors (see below), whose sum is σ = 78978240. Its totient is φ = 12870176.

The previous prime is 39049793. The next prime is 39049823. The reversal of 39049818 is 81894093.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 39049818.

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, 36030 + ... + 37097.

It is an arithmetic number, because the mean of its divisors is an integer number (4936140).

Almost surely, 2^39049818 is an apocalyptic number.

39049818 is an abundant number, since it is smaller than the sum of its proper divisors (39928422).

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

39049818 is a wasteful number, since it uses less digits than its factorization.

39049818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73221.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 39049818 is about 6248.9853576401. The cubic root of 39049818 is about 339.2654789061.

The spelling of 39049818 in words is "thirty-nine million, forty-nine thousand, eight hundred eighteen".