38847261 has 8 divisors (see below), whose sum is σ = 54843264. Its totient is φ = 24374720.

The previous prime is 38847217. The next prime is 38847271. The reversal of 38847261 is 16274883.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38847261 is a prime.

It is a super-3 number, since 3×38847261³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38847271) 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 7 ways as a sum of consecutive naturals, for example, 380805 + ... + 380906.

It is an arithmetic number, because the mean of its divisors is an integer number (6855408).

Almost surely, 2^38847261 is an apocalyptic number.

It is an amenable number.

38847261 is a deficient number, since it is larger than the sum of its proper divisors (15996003).

38847261 is a wasteful number, since it uses less digits than its factorization.

38847261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761731.

The product of its digits is 64512, while the sum is 39.

The square root of 38847261 is about 6232.7570945770. The cubic root of 38847261 is about 338.6778554895.

The spelling of 38847261 in words is "thirty-eight million, eight hundred forty-seven thousand, two hundred sixty-one".