38306136 has 64 divisors (see below), whose sum is σ = 107049600. Its totient is φ = 11321600.

The previous prime is 38306131. The next prime is 38306153. The reversal of 38306136 is 63160383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38306131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9055 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (1672650).

Almost surely, 2^38306136 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 38306136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53524800).

38306136 is an abundant number, since it is smaller than the sum of its proper divisors (68743464).

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

38306136 is a wasteful number, since it uses less digits than its factorization.

38306136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38306136 is about 6189.1951011420. The cubic root of 38306136 is about 337.0979530761.

The spelling of 38306136 in words is "thirty-eight million, three hundred six thousand, one hundred thirty-six".