38849661 has 12 divisors (see below), whose sum is σ = 59069920. Its totient is φ = 24536520.

The previous prime is 38849653. The next prime is 38849663. The reversal of 38849661 is 16694883.

38849661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38849661 - 2³ = 38849653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38849663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113425 + ... + 113766.

Almost surely, 2^38849661 is an apocalyptic number.

It is an amenable number.

38849661 is a deficient number, since it is larger than the sum of its proper divisors (20220259).

38849661 is a wasteful number, since it uses less digits than its factorization.

38849661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227216 (or 227213 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 38849661 is about 6232.9496227709. The cubic root of 38849661 is about 338.6848298990.

The spelling of 38849661 in words is "thirty-eight million, eight hundred forty-nine thousand, six hundred sixty-one".