38081537 has 8 divisors (see below), whose sum is σ = 42794304. Its totient is φ = 33623568.

The previous prime is 38081509. The next prime is 38081539. The reversal of 38081537 is 73518083.

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 38081537 - 2¹² = 38077441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38081497 and 38081506.

It is not an unprimeable number, because it can be changed into a prime (38081539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63383 + ... + 63980.

It is an arithmetic number, because the mean of its divisors is an integer number (5349288).

Almost surely, 2^38081537 is an apocalyptic number.

It is an amenable number.

38081537 is a deficient number, since it is larger than the sum of its proper divisors (4712767).

38081537 is a wasteful number, since it uses less digits than its factorization.

38081537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127399.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 38081537 is about 6171.0239831004. The cubic root of 38081537 is about 336.4378297655.

The spelling of 38081537 in words is "thirty-eight million, eighty-one thousand, five hundred thirty-seven".