38648841 has 16 divisors (see below), whose sum is σ = 64247808. Its totient is φ = 20077200.

The previous prime is 38648833. The next prime is 38648843. The reversal of 38648841 is 14884683.

It is not a de Polignac number, because 38648841 - 2³ = 38648833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38648793 and 38648802.

It is not an unprimeable number, because it can be changed into a prime (38648843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83425 + ... + 83886.

It is an arithmetic number, because the mean of its divisors is an integer number (4015488).

Almost surely, 2^38648841 is an apocalyptic number.

It is an amenable number.

38648841 is a deficient number, since it is larger than the sum of its proper divisors (25598967).

38648841 is a wasteful number, since it uses less digits than its factorization.

38648841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167332.

The product of its digits is 147456, while the sum is 42.

The square root of 38648841 is about 6216.8192027756. The cubic root of 38648841 is about 338.1002497820.

The spelling of 38648841 in words is "thirty-eight million, six hundred forty-eight thousand, eight hundred forty-one".