38915996 has 36 divisors (see below), whose sum is σ = 79681896. Its totient is φ = 16581600.

The previous prime is 38915993. The next prime is 38916013. The reversal of 38915996 is 69951983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38915993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40886 + ... + 41826.

It is an arithmetic number, because the mean of its divisors is an integer number (2213386).

Almost surely, 2^38915996 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 38915996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39840948).

38915996 is an abundant number, since it is smaller than the sum of its proper divisors (40765900).

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

38915996 is a wasteful number, since it uses less digits than its factorization.

38915996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1161 counting only the distinct ones).

The product of its digits is 524880, while the sum is 50.

The square root of 38915996 is about 6238.2686700718. The cubic root of 38915996 is about 338.8774860905.

The spelling of 38915996 in words is "thirty-eight million, nine hundred fifteen thousand, nine hundred ninety-six".