38518668 has 36 divisors (see below), whose sum is σ = 103095720. Its totient is φ = 12084096.

The previous prime is 38518663. The next prime is 38518679. The reversal of 38518668 is 86681583.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (38518661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30858 + ... + 32081.

It is an arithmetic number, because the mean of its divisors is an integer number (2863770).

Almost surely, 2^38518668 is an apocalyptic number.

It is an amenable number.

38518668 is an abundant number, since it is smaller than the sum of its proper divisors (64577052).

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

38518668 is a wasteful number, since it uses less digits than its factorization.

38518668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62966 (or 62961 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 38518668 is about 6206.3409509952. The cubic root of 38518668 is about 337.7202381437.

The spelling of 38518668 in words is "thirty-eight million, five hundred eighteen thousand, six hundred sixty-eight".