38320256 has 32 divisors (see below), whose sum is σ = 82217100. Its totient is φ = 17685504.

The previous prime is 38320241. The next prime is 38320273. The reversal of 38320256 is 65202383.

It can be written as a sum of positive squares in 2 ways, for example, as 38241856 + 78400 = 6184^2 + 280^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9851 + ... + 13178.

Almost surely, 2^38320256 is an apocalyptic number.

It is an amenable number.

38320256 is an abundant number, since it is smaller than the sum of its proper divisors (43896844).

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

38320256 is a wasteful number, since it uses less digits than its factorization.

38320256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23056 (or 23044 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 38320256 is about 6190.3356936438. The cubic root of 38320256 is about 337.1393671408.

The spelling of 38320256 in words is "thirty-eight million, three hundred twenty thousand, two hundred fifty-six".