38655601 has 2 divisors, whose sum is σ = 38655602. Its totient is φ = 38655600.

The previous prime is 38655599. The next prime is 38655607. The reversal of 38655601 is 10655683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 3904576 = 5895^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 38655601 - 2¹ = 38655599 is a prime.

Together with 38655599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38655607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19327800 + 19327801.

It is an arithmetic number, because the mean of its divisors is an integer number (19327801).

Almost surely, 2^38655601 is an apocalyptic number.

It is an amenable number.

38655601 is a deficient number, since it is larger than the sum of its proper divisors (1).

38655601 is an equidigital number, since it uses as much as digits as its factorization.

38655601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 38655601 is about 6217.3628653956. The cubic root of 38655601 is about 338.1199608038.

The spelling of 38655601 in words is "thirty-eight million, six hundred fifty-five thousand, six hundred one".