38802918 has 64 divisors (see below), whose sum is σ = 98869248. Its totient is φ = 9858720.

The previous prime is 38802913. The next prime is 38802919. The reversal of 38802918 is 81920883.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38802913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20821 + ... + 22607.

It is an arithmetic number, because the mean of its divisors is an integer number (1544832).

Almost surely, 2^38802918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38802918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49434624).

38802918 is an abundant number, since it is smaller than the sum of its proper divisors (60066330).

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

38802918 is a wasteful number, since it uses less digits than its factorization.

38802918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 38802918 is about 6229.1988248891. The cubic root of 38802918 is about 338.5489428405.

The spelling of 38802918 in words is "thirty-eight million, eight hundred two thousand, nine hundred eighteen".