38413971 has 6 divisors (see below), whose sum is σ = 55486860. Its totient is φ = 25609308.

The previous prime is 38413967. The next prime is 38413997. The reversal of 38413971 is 17931483.

It is a happy number.

It is not a de Polignac number, because 38413971 - 2² = 38413967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38413961) 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 5 ways as a sum of consecutive naturals, for example, 2134101 + ... + 2134118.

It is an arithmetic number, because the mean of its divisors is an integer number (9247810).

Almost surely, 2^38413971 is an apocalyptic number.

38413971 is a deficient number, since it is larger than the sum of its proper divisors (17072889).

38413971 is a wasteful number, since it uses less digits than its factorization.

38413971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268225 (or 4268222 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 38413971 is about 6197.9005316317. The cubic root of 38413971 is about 337.4139764297.

The spelling of 38413971 in words is "thirty-eight million, four hundred thirteen thousand, nine hundred seventy-one".