38656543 has 2 divisors, whose sum is σ = 38656544. Its totient is φ = 38656542.

The previous prime is 38656531. The next prime is 38656547. The reversal of 38656543 is 34565683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38656543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38656496 and 38656505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38656547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19328271 + 19328272.

It is an arithmetic number, because the mean of its divisors is an integer number (19328272).

Almost surely, 2^38656543 is an apocalyptic number.

38656543 is a deficient number, since it is larger than the sum of its proper divisors (1).

38656543 is an equidigital number, since it uses as much as digits as its factorization.

38656543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The square root of 38656543 is about 6217.4386205253. The cubic root of 38656543 is about 338.1227073348.

The spelling of 38656543 in words is "thirty-eight million, six hundred fifty-six thousand, five hundred forty-three".