38394671 has 4 divisors (see below), whose sum is σ = 43879632. Its totient is φ = 32909712.

The previous prime is 38394667. The next prime is 38394673. The reversal of 38394671 is 17649383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17649383 = 17 ⋅1038199.

It is a cyclic number.

It is not a de Polignac number, because 38394671 - 2² = 38394667 is a prime.

It is a super-2 number, since 2×38394671² = 2948301522396482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38394673) 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, 2742470 + ... + 2742483.

It is an arithmetic number, because the mean of its divisors is an integer number (10969908).

Almost surely, 2^38394671 is an apocalyptic number.

38394671 is a deficient number, since it is larger than the sum of its proper divisors (5484961).

38394671 is an equidigital number, since it uses as much as digits as its factorization.

38394671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484960.

The product of its digits is 108864, while the sum is 41.

The square root of 38394671 is about 6196.3433571745. The cubic root of 38394671 is about 337.3574589658.

The spelling of 38394671 in words is "thirty-eight million, three hundred ninety-four thousand, six hundred seventy-one".