8731049 has 4 divisors (see below), whose sum is σ = 8916864. Its totient is φ = 8545236.

The previous prime is 8731039. The next prime is 8731069. The reversal of 8731049 is 9401378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8731049 - 2⁸ = 8730793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8731039) 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 3 ways as a sum of consecutive naturals, for example, 92837 + ... + 92930.

It is an arithmetic number, because the mean of its divisors is an integer number (2229216).

Almost surely, 2^8731049 is an apocalyptic number.

It is an amenable number.

8731049 is a deficient number, since it is larger than the sum of its proper divisors (185815).

8731049 is a wasteful number, since it uses less digits than its factorization.

8731049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185814.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 8731049 is about 2954.8348515611. The cubic root of 8731049 is about 205.9153908358.

The spelling of 8731049 in words is "eight million, seven hundred thirty-one thousand, forty-nine".