38816842 has 4 divisors (see below), whose sum is σ = 58225266. Its totient is φ = 19408420.

The previous prime is 38816839. The next prime is 38816857. The reversal of 38816842 is 24861883.

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

It can be written as a sum of positive squares in only one way, i.e., 30813601 + 8003241 = 5551^2 + 2829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38816795 and 38816804.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9704209 + ... + 9704212.

Almost surely, 2^38816842 is an apocalyptic number.

38816842 is a deficient number, since it is larger than the sum of its proper divisors (19408424).

38816842 is a wasteful number, since it uses less digits than its factorization.

38816842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19408423.

The product of its digits is 73728, while the sum is 40.

The square root of 38816842 is about 6230.3163643590. The cubic root of 38816842 is about 338.5894328516.

The spelling of 38816842 in words is "thirty-eight million, eight hundred sixteen thousand, eight hundred forty-two".