38616390 has 48 divisors (see below), whose sum is σ = 103648896. Its totient is φ = 9964800.

The previous prime is 38616373. The next prime is 38616397. The reversal of 38616390 is 9361683.

It is a happy number.

38616390 is a `hidden beast` number, since 3 + 8 + 616 + 39 + 0 = 666.

38616390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38616397) 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 23 ways as a sum of consecutive naturals, for example, 4131 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (2159352).

Almost surely, 2^38616390 is an apocalyptic number.

38616390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38616390 is an abundant number, since it is smaller than the sum of its proper divisors (65032506).

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

38616390 is a wasteful number, since it uses less digits than its factorization.

38616390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885 (or 13882 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 38616390 is about 6214.2087187348. The cubic root of 38616390 is about 338.0055961166.

The spelling of 38616390 in words is "thirty-eight million, six hundred sixteen thousand, three hundred ninety".