38786472 has 64 divisors (see below), whose sum is σ = 109152000. Its totient is φ = 12759552.

The previous prime is 38786443. The next prime is 38786477. The reversal of 38786472 is 27468783.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38786477) 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, 15928 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (1705500).

Almost surely, 2^38786472 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 38786472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54576000).

38786472 is an abundant number, since it is smaller than the sum of its proper divisors (70365528).

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

38786472 is a wasteful number, since it uses less digits than its factorization.

38786472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2357 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 38786472 is about 6227.8786115338. The cubic root of 38786472 is about 338.5011065523.

The spelling of 38786472 in words is "thirty-eight million, seven hundred eighty-six thousand, four hundred seventy-two".