9047861 has 8 divisors (see below), whose sum is σ = 9191424. Its totient is φ = 8905680.

The previous prime is 9047851. The next prime is 9047873. The reversal of 9047861 is 1687409.

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 9047861 - 2¹⁰ = 9046837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9047821) 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, 24071 + ... + 24443.

It is an arithmetic number, because the mean of its divisors is an integer number (1148928).

Almost surely, 2^9047861 is an apocalyptic number.

It is an amenable number.

9047861 is a deficient number, since it is larger than the sum of its proper divisors (143563).

9047861 is a wasteful number, since it uses less digits than its factorization.

9047861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 9047861 is about 3007.9662564597. The cubic root of 9047861 is about 208.3764524438.

The spelling of 9047861 in words is "nine million, forty-seven thousand, eight hundred sixty-one".