38190018 has 8 divisors (see below), whose sum is σ = 76380048. Its totient is φ = 12730004.

The previous prime is 38190017. The next prime is 38190029. The reversal of 38190018 is 81009183.

38190018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

38190018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38190017) 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 3 ways as a sum of consecutive naturals, for example, 3182496 + ... + 3182507.

It is an arithmetic number, because the mean of its divisors is an integer number (9547506).

Almost surely, 2^38190018 is an apocalyptic number.

38190018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38190018 is a wasteful number, since it uses less digits than its factorization.

38190018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365008.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 38190018 is about 6179.8072785484. The cubic root of 38190018 is about 336.7569915254.

The spelling of 38190018 in words is "thirty-eight million, one hundred ninety thousand, eighteen".