38847461 has 8 divisors (see below), whose sum is σ = 39502680. Its totient is φ = 38195712.

The previous prime is 38847449. The next prime is 38847469. The reversal of 38847461 is 16474883.

It can be written as a sum of positive squares in 4 ways, for example, as 10278436 + 28569025 = 3206^2 + 5345^2 .

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 38847461 - 2¹⁸ = 38585317 is a prime.

It is a super-2 number, since 2×38847461² = 3018250452293042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38847469) 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, 30995 + ... + 32223.

It is an arithmetic number, because the mean of its divisors is an integer number (4937835).

Almost surely, 2^38847461 is an apocalyptic number.

It is an amenable number.

38847461 is a deficient number, since it is larger than the sum of its proper divisors (655219).

38847461 is a wasteful number, since it uses less digits than its factorization.

38847461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its digits is 129024, while the sum is 41.

The square root of 38847461 is about 6232.7731388203. The cubic root of 38847461 is about 338.6784367013.

The spelling of 38847461 in words is "thirty-eight million, eight hundred forty-seven thousand, four hundred sixty-one".