38398668 has 96 divisors (see below), whose sum is σ = 115637760. Its totient is φ = 9623040.

The previous prime is 38398667. The next prime is 38398681. The reversal of 38398668 is 86689383.

38398668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38398668.

It is not an unprimeable number, because it can be changed into a prime (38398667) 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 31 ways as a sum of consecutive naturals, for example, 26080 + ... + 27512.

It is an arithmetic number, because the mean of its divisors is an integer number (1204560).

Almost surely, 2^38398668 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 38398668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57818880).

38398668 is an abundant number, since it is smaller than the sum of its proper divisors (77239092).

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

38398668 is a wasteful number, since it uses less digits than its factorization.

38398668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1485 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 38398668 is about 6196.6658777120. The cubic root of 38398668 is about 337.3691651995.

The spelling of 38398668 in words is "thirty-eight million, three hundred ninety-eight thousand, six hundred sixty-eight".