38247117 has 4 divisors (see below), whose sum is σ = 50996160. Its totient is φ = 25498076.

The previous prime is 38247113. The next prime is 38247173. The reversal of 38247117 is 71174283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38247117 - 2² = 38247113 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38247113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6374517 + ... + 6374522.

It is an arithmetic number, because the mean of its divisors is an integer number (12749040).

Almost surely, 2^38247117 is an apocalyptic number.

It is an amenable number.

38247117 is a deficient number, since it is larger than the sum of its proper divisors (12749043).

38247117 is a wasteful number, since it uses less digits than its factorization.

38247117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12749042.

The product of its digits is 9408, while the sum is 33.

The square root of 38247117 is about 6184.4253572988. The cubic root of 38247117 is about 336.9247396561.

The spelling of 38247117 in words is "thirty-eight million, two hundred forty-seven thousand, one hundred seventeen".