38190199 has 4 divisors (see below), whose sum is σ = 38332440. Its totient is φ = 38047960.

The previous prime is 38190197. The next prime is 38190203. The reversal of 38190199 is 99109183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99109183 = 263 ⋅376841.

It is a cyclic number.

It is not a de Polignac number, because 38190199 - 2¹ = 38190197 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38190197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70717 + ... + 71254.

It is an arithmetic number, because the mean of its divisors is an integer number (9583110).

Almost surely, 2^38190199 is an apocalyptic number.

38190199 is a deficient number, since it is larger than the sum of its proper divisors (142241).

38190199 is a wasteful number, since it uses less digits than its factorization.

38190199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142240.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 38190199 is about 6179.8219230007. The cubic root of 38190199 is about 336.7575235398.

The spelling of 38190199 in words is "thirty-eight million, one hundred ninety thousand, one hundred ninety-nine".