38530281 has 8 divisors (see below), whose sum is σ = 51482880. Its totient is φ = 25632272.

The previous prime is 38530259. The next prime is 38530307. The reversal of 38530281 is 18203583.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38530281 - 2⁵ = 38530249 is a prime.

It is a super-2 number, since 2×38530281² = 2969165107877922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38530231) 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, 11970 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (6435360).

Almost surely, 2^38530281 is an apocalyptic number.

It is an amenable number.

38530281 is a deficient number, since it is larger than the sum of its proper divisors (12952599).

38530281 is a wasteful number, since it uses less digits than its factorization.

38530281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27295.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 38530281 is about 6207.2764559024. The cubic root of 38530281 is about 337.7541745115.

The spelling of 38530281 in words is "thirty-eight million, five hundred thirty thousand, two hundred eighty-one".