38404632841 has 3 divisors (see below), whose sum is σ = 38404828813. Its totient is φ = 38404436870.

The previous prime is 38404632803. The next prime is 38404632869. The reversal of 38404632841 is 14823640483.

The square root of 38404632841 is 195971.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14823640483 = 3323 ⋅4460921.

It is not a de Polignac number, because 38404632841 - 2⁷ = 38404632713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38404632241) 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 2 ways as a sum of consecutive naturals, for example, 97986 + ... + 293956.

Almost surely, 2^38404632841 is an apocalyptic number.

38404632841 is the 195971-st square number.

38404632841 is the 97986-th centered octagonal number.

It is an amenable number.

38404632841 is a deficient number, since it is larger than the sum of its proper divisors (195972).

38404632841 is an frugal number, since it uses more digits than its factorization.

38404632841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391942 (or 195971 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 38404632841 in words is "thirty-eight billion, four hundred four million, six hundred thirty-two thousand, eight hundred forty-one".