38806641 has 8 divisors (see below), whose sum is σ = 57491360. Its totient is φ = 25871076.

The previous prime is 38806627. The next prime is 38806657. The reversal of 38806641 is 14660883.

It is a happy number.

38806641 is a `hidden beast` number, since 3 + 8 + 8 + 0 + 6 + 641 = 666.

It is not a de Polignac number, because 38806641 - 2⁵ = 38806609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38806596 and 38806605.

It is not an unprimeable number, because it can be changed into a prime (38806661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718615 + ... + 718668.

It is an arithmetic number, because the mean of its divisors is an integer number (7186420).

Almost surely, 2^38806641 is an apocalyptic number.

It is an amenable number.

38806641 is a deficient number, since it is larger than the sum of its proper divisors (18684719).

38806641 is a wasteful number, since it uses less digits than its factorization.

38806641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437292 (or 1437286 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38806641 is about 6229.4976522991. The cubic root of 38806641 is about 338.5597700108.

The spelling of 38806641 in words is "thirty-eight million, eight hundred six thousand, six hundred forty-one".