39238081 has 4 divisors (see below), whose sum is σ = 39823792. Its totient is φ = 38652372.

The previous prime is 39238061. The next prime is 39238099. The reversal of 39238081 is 18083293.

39238081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39238081 - 2⁵ = 39238049 is a prime.

It is a super-2 number, since 2×39238081² = 3079254001125122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39238061) 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 3 ways as a sum of consecutive naturals, for example, 292755 + ... + 292888.

It is an arithmetic number, because the mean of its divisors is an integer number (9955948).

Almost surely, 2^39238081 is an apocalyptic number.

It is an amenable number.

39238081 is a deficient number, since it is larger than the sum of its proper divisors (585711).

39238081 is an equidigital number, since it uses as much as digits as its factorization.

39238081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585710.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 39238081 is about 6264.0307310868. The cubic root of 39238081 is about 339.8098157827.

The spelling of 39238081 in words is "thirty-nine million, two hundred thirty-eight thousand, eighty-one".