38166693 has 8 divisors (see below), whose sum is σ = 51260928. Its totient is φ = 25258464.

The previous prime is 38166691. The next prime is 38166701. The reversal of 38166693 is 39666183.

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

It is not a de Polignac number, because 38166693 - 2¹ = 38166691 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 (38166691) 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, 46021 + ... + 46842.

It is an arithmetic number, because the mean of its divisors is an integer number (6407616).

Almost surely, 2^38166693 is an apocalyptic number.

It is an amenable number.

38166693 is a deficient number, since it is larger than the sum of its proper divisors (13094235).

38166693 is a wasteful number, since it uses less digits than its factorization.

38166693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93003.

The product of its digits is 139968, while the sum is 42.

The square root of 38166693 is about 6177.9197955299. The cubic root of 38166693 is about 336.6884181396.

The spelling of 38166693 in words is "thirty-eight million, one hundred sixty-six thousand, six hundred ninety-three".