38820194 has 16 divisors (see below), whose sum is σ = 68173056. Its totient is φ = 16231200.

The previous prime is 38820193. The next prime is 38820209. The reversal of 38820194 is 49102883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38820193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33242 + ... + 34389.

It is an arithmetic number, because the mean of its divisors is an integer number (4260816).

Almost surely, 2^38820194 is an apocalyptic number.

38820194 is a deficient number, since it is larger than the sum of its proper divisors (29352862).

38820194 is a wasteful number, since it uses less digits than its factorization.

38820194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67681.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 38820194 is about 6230.5853657582. The cubic root of 38820194 is about 338.5991787853.

The spelling of 38820194 in words is "thirty-eight million, eight hundred twenty thousand, one hundred ninety-four".