38966217 has 8 divisors (see below), whose sum is σ = 53359296. Its totient is φ = 25275312.

The previous prime is 38966201. The next prime is 38966231. The reversal of 38966217 is 71266983.

It is a happy number.

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

It is not a de Polignac number, because 38966217 - 2⁴ = 38966201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38966237) 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, 175413 + ... + 175634.

It is an arithmetic number, because the mean of its divisors is an integer number (6669912).

Almost surely, 2^38966217 is an apocalyptic number.

38966217 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38966217 is a deficient number, since it is larger than the sum of its proper divisors (14393079).

38966217 is a wasteful number, since it uses less digits than its factorization.

38966217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351087.

The product of its digits is 108864, while the sum is 42.

The square root of 38966217 is about 6242.2926076883. The cubic root of 38966217 is about 339.0231969577.

The spelling of 38966217 in words is "thirty-eight million, nine hundred sixty-six thousand, two hundred seventeen".