38130198 has 16 divisors (see below), whose sum is σ = 76322736. Its totient is φ = 12699680.

The previous prime is 38130193. The next prime is 38130203. The reversal of 38130198 is 89103183.

It is an interprime number because it is at equal distance from previous prime (38130193) and next prime (38130203).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38130193) 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, 10228 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (4770171).

Almost surely, 2^38130198 is an apocalyptic number.

38130198 is an abundant number, since it is smaller than the sum of its proper divisors (38192538).

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

38130198 is a wasteful number, since it uses less digits than its factorization.

38130198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 38130198 is about 6174.9654250044. The cubic root of 38130198 is about 336.5810700711.

The spelling of 38130198 in words is "thirty-eight million, one hundred thirty thousand, one hundred ninety-eight".