38285681 has 8 divisors (see below), whose sum is σ = 43835520. Its totient is φ = 32755968.

The previous prime is 38285671. The next prime is 38285701. The reversal of 38285681 is 18658283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38285681 - 2¹⁰ = 38284657 is a prime.

It is a super-2 number, since 2×38285681² = 2931586739267522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38285671) 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, 701 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (5479440).

Almost surely, 2^38285681 is an apocalyptic number.

It is an amenable number.

38285681 is a deficient number, since it is larger than the sum of its proper divisors (5549839).

38285681 is an equidigital number, since it uses as much as digits as its factorization.

38285681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063.

The product of its digits is 92160, while the sum is 41.

The square root of 38285681 is about 6187.5424038951. The cubic root of 38285681 is about 337.0379403553.

The spelling of 38285681 in words is "thirty-eight million, two hundred eighty-five thousand, six hundred eighty-one".