38289808 has 20 divisors (see below), whose sum is σ = 74287408. Its totient is φ = 19118880.

The previous prime is 38289793. The next prime is 38289821. The reversal of 38289808 is 80898283.

It is a super-2 number, since 2×38289808² = 2932218793353728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903 + ... + 19033.

Almost surely, 2^38289808 is an apocalyptic number.

It is an amenable number.

38289808 is a deficient number, since it is larger than the sum of its proper divisors (35997600).

38289808 is a wasteful number, since it uses less digits than its factorization.

38289808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 38289808 is about 6187.8758875724. The cubic root of 38289808 is about 337.0500502405.

The spelling of 38289808 in words is "thirty-eight million, two hundred eighty-nine thousand, eight hundred eight".