38716820 has 48 divisors (see below), whose sum is σ = 89849088. Its totient is φ = 13939200.

The previous prime is 38716819. The next prime is 38716829. The reversal of 38716820 is 2861783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38716829) 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, 5345 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (1871856).

Almost surely, 2^38716820 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 38716820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44924544).

38716820 is an abundant number, since it is smaller than the sum of its proper divisors (51132268).

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

38716820 is a wasteful number, since it uses less digits than its factorization.

38716820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 38716820 is about 6222.2841465173. The cubic root of 38716820 is about 338.2983605504.

The spelling of 38716820 in words is "thirty-eight million, seven hundred sixteen thousand, eight hundred twenty".