38950818 has 32 divisors (see below), whose sum is σ = 81756672. Its totient is φ = 12355200.

The previous prime is 38950783. The next prime is 38950837. The reversal of 38950818 is 81805983.

It is a self number, because there is not a number n which added to its sum of digits gives 38950818.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9630 + ... + 13062.

It is an arithmetic number, because the mean of its divisors is an integer number (2554896).

Almost surely, 2^38950818 is an apocalyptic number.

38950818 is an abundant number, since it is smaller than the sum of its proper divisors (42805854).

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

38950818 is a wasteful number, since it uses less digits than its factorization.

38950818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 38950818 is about 6241.0590447455. The cubic root of 38950818 is about 338.9785317197.

The spelling of 38950818 in words is "thirty-eight million, nine hundred fifty thousand, eight hundred eighteen".