38731716 has 48 divisors (see below), whose sum is σ = 102876480. Its totient is φ = 12594240.

The previous prime is 38731703. The next prime is 38731723. The reversal of 38731716 is 61713783.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260).

Almost surely, 2^38731716 is an apocalyptic number.

38731716 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 38731716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51438240).

38731716 is an abundant number, since it is smaller than the sum of its proper divisors (64144764).

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

38731716 is a wasteful number, since it uses less digits than its factorization.

38731716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801 (or 8793 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 38731716 is about 6223.4810194938. The cubic root of 38731716 is about 338.3417408886.

The spelling of 38731716 in words is "thirty-eight million, seven hundred thirty-one thousand, seven hundred sixteen".