38138364 has 168 divisors, whose sum is σ = 115683120. Its totient is φ = 10886400.

The previous prime is 38138357. The next prime is 38138381. The reversal of 38138364 is 46383183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 930184 + ... + 930224.

It is an arithmetic number, because the mean of its divisors is an integer number (688590).

Almost surely, 2^38138364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38138364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57841560).

38138364 is an abundant number, since it is smaller than the sum of its proper divisors (77544756).

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

38138364 is a wasteful number, since it uses less digits than its factorization.

38138364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 86 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 38138364 is about 6175.6266078836. The cubic root of 38138364 is about 336.6050958650.

The spelling of 38138364 in words is "thirty-eight million, one hundred thirty-eight thousand, three hundred sixty-four".