8493761 has 4 divisors (see below), whose sum is σ = 8993412. Its totient is φ = 7994112.

The previous prime is 8493743. The next prime is 8493763. The reversal of 8493761 is 1673948.

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 5452225 + 3041536 = 2335^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 8493761 - 2⁶ = 8493697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8493763) 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, 249800 + ... + 249833.

It is an arithmetic number, because the mean of its divisors is an integer number (2248353).

Almost surely, 2^8493761 is an apocalyptic number.

It is an amenable number.

8493761 is a deficient number, since it is larger than the sum of its proper divisors (499651).

8493761 is a wasteful number, since it uses less digits than its factorization.

8493761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499650.

The product of its digits is 36288, while the sum is 38.

The square root of 8493761 is about 2914.4057713366. The cubic root of 8493761 is about 204.0328106267.

The spelling of 8493761 in words is "eight million, four hundred ninety-three thousand, seven hundred sixty-one".