38198816 has 24 divisors (see below), whose sum is σ = 79163280. Its totient is φ = 18093888.

The previous prime is 38198773. The next prime is 38198843. The reversal of 38198816 is 61889183.

It is a happy number.

It is an unprimeable number.

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, 30806 + ... + 32021.

It is an arithmetic number, because the mean of its divisors is an integer number (3298470).

Almost surely, 2^38198816 is an apocalyptic number.

It is an amenable number.

38198816 is an abundant number, since it is smaller than the sum of its proper divisors (40964464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38198816 is a wasteful number, since it uses less digits than its factorization.

38198816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62856 (or 62848 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 38198816 is about 6180.5190720521. The cubic root of 38198816 is about 336.7828495958.

The spelling of 38198816 in words is "thirty-eight million, one hundred ninety-eight thousand, eight hundred sixteen".