38018680 has 32 divisors (see below), whose sum is σ = 97763040. Its totient is φ = 13034880.

The previous prime is 38018663. The next prime is 38018683. The reversal of 38018680 is 8681083.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67611 + ... + 68170.

It is an arithmetic number, because the mean of its divisors is an integer number (3055095).

Almost surely, 2^38018680 is an apocalyptic number.

It is an amenable number.

38018680 is an abundant number, since it is smaller than the sum of its proper divisors (59744360).

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

38018680 is a wasteful number, since it uses less digits than its factorization.

38018680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135799 (or 135795 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 38018680 is about 6165.9289648844. The cubic root of 38018680 is about 336.2526208665.

The spelling of 38018680 in words is "thirty-eight million, eighteen thousand, six hundred eighty".