38706520 has 16 divisors (see below), whose sum is σ = 87089760. Its totient is φ = 15482592.

The previous prime is 38706517. The next prime is 38706523. The reversal of 38706520 is 2560783.

38706520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38706517) and next prime (38706523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38706523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483792 + ... + 483871.

It is an arithmetic number, because the mean of its divisors is an integer number (5443110).

Almost surely, 2^38706520 is an apocalyptic number.

It is an amenable number.

38706520 is an abundant number, since it is smaller than the sum of its proper divisors (48383240).

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

38706520 is a wasteful number, since it uses less digits than its factorization.

38706520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967674 (or 967670 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 38706520 is about 6221.4564211284. The cubic root of 38706520 is about 338.2683582400.

The spelling of 38706520 in words is "thirty-eight million, seven hundred six thousand, five hundred twenty".