9493861 has 4 divisors (see below), whose sum is σ = 10224172. Its totient is φ = 8763552.

The previous prime is 9493853. The next prime is 9493873. The reversal of 9493861 is 1683949.

9493861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 5616900 = 1969^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 9493861 - 2³ = 9493853 is a prime.

It is a Duffinian number.

9493861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9493061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365136 + ... + 365161.

It is an arithmetic number, because the mean of its divisors is an integer number (2556043).

Almost surely, 2^9493861 is an apocalyptic number.

It is an amenable number.

9493861 is a deficient number, since it is larger than the sum of its proper divisors (730311).

9493861 is a wasteful number, since it uses less digits than its factorization.

9493861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730310.

The product of its digits is 46656, while the sum is 40.

The square root of 9493861 is about 3081.2109632416. The cubic root of 9493861 is about 211.7455488193.

The spelling of 9493861 in words is "nine million, four hundred ninety-three thousand, eight hundred sixty-one".