38857288 has 8 divisors (see below), whose sum is σ = 72857430. Its totient is φ = 19428640.

The previous prime is 38857279. The next prime is 38857307. The reversal of 38857288 is 88275883.

It can be written as a sum of positive squares in only one way, i.e., 21734244 + 17123044 = 4662^2 + 4138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428573 + ... + 2428588.

Almost surely, 2^38857288 is an apocalyptic number.

It is an amenable number.

38857288 is a deficient number, since it is larger than the sum of its proper divisors (34000142).

38857288 is a wasteful number, since it uses less digits than its factorization.

38857288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857167 (or 4857163 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The square root of 38857288 is about 6233.5614218519. The cubic root of 38857288 is about 338.7069920844.

The spelling of 38857288 in words is "thirty-eight million, eight hundred fifty-seven thousand, two hundred eighty-eight".