38198404 has 12 divisors (see below), whose sum is σ = 68269824. Its totient is φ = 18692744.

The previous prime is 38198401. The next prime is 38198431. The reversal of 38198404 is 40489183.

It is not an unprimeable number, because it can be changed into a prime (38198401) 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 3 ways as a sum of consecutive naturals, for example, 101404 + ... + 101779.

It is an arithmetic number, because the mean of its divisors is an integer number (5689152).

Almost surely, 2^38198404 is an apocalyptic number.

It is an amenable number.

38198404 is a deficient number, since it is larger than the sum of its proper divisors (30071420).

38198404 is a wasteful number, since it uses less digits than its factorization.

38198404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203234 (or 203232 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 38198404 is about 6180.4857414284. The cubic root of 38198404 is about 336.7816387814.

The spelling of 38198404 in words is "thirty-eight million, one hundred ninety-eight thousand, four hundred four".