38613641 has 16 divisors (see below), whose sum is σ = 43205568. Its totient is φ = 34499520.

The previous prime is 38613599. The next prime is 38613661. The reversal of 38613641 is 14631683.

It is not a de Polignac number, because 38613641 - 2¹⁴ = 38597257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38613598 and 38613607.

It is not an unprimeable number, because it can be changed into a prime (38613661) 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 in 15 ways as a sum of consecutive naturals, for example, 88961 + ... + 89393.

It is an arithmetic number, because the mean of its divisors is an integer number (2700348).

Almost surely, 2^38613641 is an apocalyptic number.

It is an amenable number.

38613641 is a deficient number, since it is larger than the sum of its proper divisors (4591927).

38613641 is an equidigital number, since it uses as much as digits as its factorization.

38613641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 511 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 38613641 is about 6213.9875281497. The cubic root of 38613641 is about 337.9975753476.

The spelling of 38613641 in words is "thirty-eight million, six hundred thirteen thousand, six hundred forty-one".