38042257 has 8 divisors (see below), whose sum is σ = 41548320. Its totient is φ = 34544160.

The previous prime is 38042227. The next prime is 38042261. The reversal of 38042257 is 75224083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38042257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38042227) 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 7 ways as a sum of consecutive naturals, for example, 12838 + ... + 15520.

It is an arithmetic number, because the mean of its divisors is an integer number (5193540).

Almost surely, 2^38042257 is an apocalyptic number.

It is an amenable number.

38042257 is a deficient number, since it is larger than the sum of its proper divisors (3506063).

38042257 is a wasteful number, since it uses less digits than its factorization.

38042257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 38042257 is about 6167.8405459285. The cubic root of 38042257 is about 336.3221146856.

The spelling of 38042257 in words is "thirty-eight million, forty-two thousand, two hundred fifty-seven".