38465881 has 8 divisors (see below), whose sum is σ = 39533184. Its totient is φ = 37409040.

The previous prime is 38465879. The next prime is 38465893. The reversal of 38465881 is 18856483.

38465881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38465881 - 2¹ = 38465879 is a prime.

It is a super-2 number, since 2×38465881² = 2959248002212322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38465851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5151 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (4941648).

Almost surely, 2^38465881 is an apocalyptic number.

It is an amenable number.

38465881 is a deficient number, since it is larger than the sum of its proper divisors (1067303).

38465881 is a wasteful number, since it uses less digits than its factorization.

38465881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231.

The product of its digits is 184320, while the sum is 43.

The square root of 38465881 is about 6202.0868262223. The cubic root of 38465881 is about 337.5658940383.

The spelling of 38465881 in words is "thirty-eight million, four hundred sixty-five thousand, eight hundred eighty-one".