8730949 has 2 divisors, whose sum is σ = 8730950. Its totient is φ = 8730948.

The previous prime is 8730947. The next prime is 8730977. The reversal of 8730949 is 9490378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8514724 + 216225 = 2918^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 8730949 - 2¹ = 8730947 is a prime.

Together with 8730947, it forms a pair of twin primes.

8730949 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8730947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4365474 + 4365475.

It is an arithmetic number, because the mean of its divisors is an integer number (4365475).

Almost surely, 2^8730949 is an apocalyptic number.

It is an amenable number.

8730949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8730949 is an equidigital number, since it uses as much as digits as its factorization.

8730949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 8730949 is about 2954.8179300932. The cubic root of 8730949 is about 205.9146046906.

The spelling of 8730949 in words is "eight million, seven hundred thirty thousand, nine hundred forty-nine".