38684712 has 96 divisors (see below), whose sum is σ = 110688480. Its totient is φ = 11172480.

The previous prime is 38684687. The next prime is 38684719. The reversal of 38684712 is 21748683.

It is not an unprimeable number, because it can be changed into a prime (38684719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139518 + ... + 139794.

It is an arithmetic number, because the mean of its divisors is an integer number (1153005).

Almost surely, 2^38684712 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 38684712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55344240).

38684712 is an abundant number, since it is smaller than the sum of its proper divisors (72003768).

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

38684712 is a wasteful number, since it uses less digits than its factorization.

38684712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 316 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 38684712 is about 6219.7035299120. The cubic root of 38684712 is about 338.2048173324.

The spelling of 38684712 in words is "thirty-eight million, six hundred eighty-four thousand, seven hundred twelve".