38018688 has 64 divisors (see below), whose sum is σ = 101730720. Its totient is φ = 12579840.

The previous prime is 38018683. The next prime is 38018693. The reversal of 38018688 is 88681083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38018683) and next prime (38018693).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (38018683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69231 + ... + 69777.

Almost surely, 2^38018688 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 38018688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50865360).

38018688 is an abundant number, since it is smaller than the sum of its proper divisors (63712032).

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

38018688 is a wasteful number, since it uses less digits than its factorization.

38018688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 38018688 is about 6165.9296136106. The cubic root of 38018688 is about 336.2526444516.

The spelling of 38018688 in words is "thirty-eight million, eighteen thousand, six hundred eighty-eight".