38506693 has 8 divisors (see below), whose sum is σ = 40078080. Its totient is φ = 36951600.

The previous prime is 38506687. The next prime is 38506723. The reversal of 38506693 is 39660583.

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 38506693 - 2¹³ = 38498501 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 (38501693) 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, 868 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (5009760).

Almost surely, 2^38506693 is an apocalyptic number.

It is an amenable number.

38506693 is a deficient number, since it is larger than the sum of its proper divisors (1571387).

38506693 is a wasteful number, since it uses less digits than its factorization.

38506693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 38506693 is about 6205.3761368671. The cubic root of 38506693 is about 337.6852367688.

The spelling of 38506693 in words is "thirty-eight million, five hundred six thousand, six hundred ninety-three".