38738736 has 100 divisors (see below), whose sum is σ = 113970384. Its totient is φ = 12700800.

The previous prime is 38738731. The next prime is 38738737. The reversal of 38738736 is 63783783.

It is a junction number, because it is equal to n+sod(n) for n = 38738691 and 38738700.

It is not an unprimeable number, because it can be changed into a prime (38738731) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91806 + ... + 92226.

Almost surely, 2^38738736 is an apocalyptic number.

38738736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38738736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56985192).

38738736 is an abundant number, since it is smaller than the sum of its proper divisors (75231648).

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

38738736 is a wasteful number, since it uses less digits than its factorization.

38738736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 497 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 38738736 is about 6224.0449869839. The cubic root of 38738736 is about 338.3621807743.

The spelling of 38738736 in words is "thirty-eight million, seven hundred thirty-eight thousand, seven hundred thirty-six".