38506663 has 8 divisors (see below), whose sum is σ = 41637456. Its totient is φ = 35400000.

The previous prime is 38506639. The next prime is 38506687. The reversal of 38506663 is 36660583.

It is an interprime number because it is at equal distance from previous prime (38506639) and next prime (38506687).

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

It is a cyclic number.

It is not a de Polignac number, because 38506663 - 2⁹ = 38506151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38506463) 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, 2638 + ... + 9163.

It is an arithmetic number, because the mean of its divisors is an integer number (5204682).

Almost surely, 2^38506663 is an apocalyptic number.

38506663 is a deficient number, since it is larger than the sum of its proper divisors (3130793).

38506663 is a wasteful number, since it uses less digits than its factorization.

38506663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12065.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 38506663 is about 6205.3737196079. The cubic root of 38506663 is about 337.6851490735.

The spelling of 38506663 in words is "thirty-eight million, five hundred six thousand, six hundred sixty-three".