38904461 has 2 divisors, whose sum is σ = 38904462. Its totient is φ = 38904460.

The previous prime is 38904433. The next prime is 38904497. The reversal of 38904461 is 16440983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 5148361 = 5810^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 38904461 - 2¹⁰ = 38903437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38904161) 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 as a sum of consecutive naturals, namely, 19452230 + 19452231.

It is an arithmetic number, because the mean of its divisors is an integer number (19452231).

Almost surely, 2^38904461 is an apocalyptic number.

It is an amenable number.

38904461 is a deficient number, since it is larger than the sum of its proper divisors (1).

38904461 is an equidigital number, since it uses as much as digits as its factorization.

38904461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38904461 is about 6237.3440661871. The cubic root of 38904461 is about 338.8440008190.

The spelling of 38904461 in words is "thirty-eight million, nine hundred four thousand, four hundred sixty-one".