38744161 has 8 divisors (see below), whose sum is σ = 39760160. Its totient is φ = 37733472.

The previous prime is 38744149. The next prime is 38744177. The reversal of 38744161 is 16144783.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38744161 - 2⁵ = 38744129 is a prime.

It is a super-2 number, since 2×38744161² = 3002220023187842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38744861) 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, 16486 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (4970020).

Almost surely, 2^38744161 is an apocalyptic number.

It is an amenable number.

38744161 is a deficient number, since it is larger than the sum of its proper divisors (1015999).

38744161 is a wasteful number, since it uses less digits than its factorization.

38744161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its digits is 16128, while the sum is 34.

The square root of 38744161 is about 6224.4807815592. The cubic root of 38744161 is about 338.3779748634.

The spelling of 38744161 in words is "thirty-eight million, seven hundred forty-four thousand, one hundred sixty-one".