38363257 has 4 divisors (see below), whose sum is σ = 38384500. Its totient is φ = 38342016.

The previous prime is 38363251. The next prime is 38363263. The reversal of 38363257 is 75236383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75236383 = 3943 ⋅19081.

It is an interprime number because it is at equal distance from previous prime (38363251) and next prime (38363263).

It can be written as a sum of positive squares in 2 ways, for example, as 29387241 + 8976016 = 5421^2 + 2996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38363257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38363251) by changing a digit.

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, 7632 + ... + 11617.

It is an arithmetic number, because the mean of its divisors is an integer number (9596125).

Almost surely, 2^38363257 is an apocalyptic number.

It is an amenable number.

38363257 is a deficient number, since it is larger than the sum of its proper divisors (21243).

38363257 is a wasteful number, since it uses less digits than its factorization.

38363257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21242.

The product of its digits is 90720, while the sum is 37.

The square root of 38363257 is about 6193.8079563383. The cubic root of 38363257 is about 337.2654267596.

The spelling of 38363257 in words is "thirty-eight million, three hundred sixty-three thousand, two hundred fifty-seven".