38085021 has 12 divisors (see below), whose sum is σ = 59243548. Its totient is φ = 23436864.

The previous prime is 38085017. The next prime is 38085029. The reversal of 38085021 is 12058083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11148921 + 26936100 = 3339^2 + 5190^2 .

It is not a de Polignac number, because 38085021 - 2² = 38085017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38085029) 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 11 ways as a sum of consecutive naturals, for example, 162640 + ... + 162873.

Almost surely, 2^38085021 is an apocalyptic number.

It is an amenable number.

38085021 is a deficient number, since it is larger than the sum of its proper divisors (21158527).

38085021 is a wasteful number, since it uses less digits than its factorization.

38085021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325532 (or 325529 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 38085021 is about 6171.3062636690. The cubic root of 38085021 is about 336.4480894499.

The spelling of 38085021 in words is "thirty-eight million, eighty-five thousand, twenty-one".