38700018 has 40 divisors (see below), whose sum is σ = 99107712. Its totient is φ = 11056824.

The previous prime is 38699987. The next prime is 38700019. The reversal of 38700018 is 81000783.

38700018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 38699964 and 38700000.

It is not an unprimeable number, because it can be changed into a prime (38700019) 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 19 ways as a sum of consecutive naturals, for example, 15930 + ... + 18197.

Almost surely, 2^38700018 is an apocalyptic number.

38700018 is an abundant number, since it is smaller than the sum of its proper divisors (60407694).

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

38700018 is a wasteful number, since it uses less digits than its factorization.

38700018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34148 (or 34139 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 38700018 is about 6220.9338527266. The cubic root of 38700018 is about 338.2494161769.

The spelling of 38700018 in words is "thirty-eight million, seven hundred thousand, eighteen".