38090198 has 4 divisors (see below), whose sum is σ = 57135300. Its totient is φ = 19045098.

The previous prime is 38090179. The next prime is 38090207. The reversal of 38090198 is 89109083.

38090198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9522548 + ... + 9522551.

It is an arithmetic number, because the mean of its divisors is an integer number (14283825).

Almost surely, 2^38090198 is an apocalyptic number.

38090198 is a deficient number, since it is larger than the sum of its proper divisors (19045102).

38090198 is a wasteful number, since it uses less digits than its factorization.

38090198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19045101.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 38090198 is about 6171.7256905990. The cubic root of 38090198 is about 336.4633335257.

The spelling of 38090198 in words is "thirty-eight million, ninety thousand, one hundred ninety-eight".