38398288 has 20 divisors (see below), whose sum is σ = 75802068. Its totient is φ = 18836480.

The previous prime is 38398279. The next prime is 38398301. The reversal of 38398288 is 88289383.

It can be written as a sum of positive squares in 2 ways, for example, as 30603024 + 7795264 = 5532^2 + 2792^2 .

It is a congruent 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, 21793 + ... + 23488.

Almost surely, 2^38398288 is an apocalyptic number.

It is an amenable number.

38398288 is a deficient number, since it is larger than the sum of its proper divisors (37403780).

38398288 is a wasteful number, since it uses less digits than its factorization.

38398288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45342 (or 45336 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 38398288 is about 6196.6352159862. The cubic root of 38398288 is about 337.3680523076.

The spelling of 38398288 in words is "thirty-eight million, three hundred ninety-eight thousand, two hundred eighty-eight".