38457663 has 8 divisors (see below), whose sum is σ = 51426048. Its totient is φ = 25563864.

The previous prime is 38457649. The next prime is 38457667. The reversal of 38457663 is 36675483.

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

It is not a de Polignac number, because 38457663 - 2⁹ = 38457151 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38457667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17431 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (6428256).

Almost surely, 2^38457663 is an apocalyptic number.

38457663 is a deficient number, since it is larger than the sum of its proper divisors (12968385).

38457663 is a wasteful number, since it uses less digits than its factorization.

38457663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37293.

The product of its digits is 362880, while the sum is 42.

The square root of 38457663 is about 6201.4242718911. The cubic root of 38457663 is about 337.5418526972.

The spelling of 38457663 in words is "thirty-eight million, four hundred fifty-seven thousand, six hundred sixty-three".