38299136 has 80 divisors (see below), whose sum is σ = 83804160. Its totient is φ = 17418240.

The previous prime is 38299133. The next prime is 38299139. The reversal of 38299136 is 63199283.

It is an interprime number because it is at equal distance from previous prime (38299133) and next prime (38299139).

It is a junction number, because it is equal to n+sod(n) for n = 38299093 and 38299102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38299133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301505 + ... + 301631.

It is an arithmetic number, because the mean of its divisors is an integer number (1047552).

Almost surely, 2^38299136 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 38299136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41902080).

38299136 is an abundant number, since it is smaller than the sum of its proper divisors (45505024).

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

38299136 is a wasteful number, since it uses less digits than its factorization.

38299136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 179 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 38299136 is about 6188.6295736617. The cubic root of 38299136 is about 337.0774182509.

The spelling of 38299136 in words is "thirty-eight million, two hundred ninety-nine thousand, one hundred thirty-six".