38410661 has 2 divisors, whose sum is σ = 38410662. Its totient is φ = 38410660.

The previous prime is 38410649. The next prime is 38410681. The reversal of 38410661 is 16601483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 649636 = 6145^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 38410661 - 2⁶ = 38410597 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 (38410601) 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, 19205330 + 19205331.

It is an arithmetic number, because the mean of its divisors is an integer number (19205331).

Almost surely, 2^38410661 is an apocalyptic number.

It is an amenable number.

38410661 is a deficient number, since it is larger than the sum of its proper divisors (1).

38410661 is an equidigital number, since it uses as much as digits as its factorization.

38410661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 38410661 is about 6197.6334999740. The cubic root of 38410661 is about 337.4042848833.

The spelling of 38410661 in words is "thirty-eight million, four hundred ten thousand, six hundred sixty-one".