38479917 has 8 divisors (see below), whose sum is σ = 58636096. Its totient is φ = 21988512.

The previous prime is 38479913. The next prime is 38479919. The reversal of 38479917 is 71997483.

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

It is not a de Polignac number, because 38479917 - 2² = 38479913 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 (38479913) 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, 916168 + ... + 916209.

It is an arithmetic number, because the mean of its divisors is an integer number (7329512).

Almost surely, 2^38479917 is an apocalyptic number.

It is an amenable number.

38479917 is a deficient number, since it is larger than the sum of its proper divisors (20156179).

38479917 is a wasteful number, since it uses less digits than its factorization.

38479917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832387.

The product of its digits is 381024, while the sum is 48.

The square root of 38479917 is about 6203.2182776362. The cubic root of 38479917 is about 337.6069477253.

The spelling of 38479917 in words is "thirty-eight million, four hundred seventy-nine thousand, nine hundred seventeen".