8743849 has 3 divisors (see below), whose sum is σ = 8746807. Its totient is φ = 8740892.

The previous prime is 8743843. The next prime is 8743853. The reversal of 8743849 is 9483478.

The square root of 8743849 is 2957.

It is a perfect power (a square), and thus also a powerful number.

8743849 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1625625 + 7118224 = 1275^2 + 2668^2 .

It is not a de Polignac number, because 8743849 - 2⁵ = 8743817 is a prime.

It is a Duffinian number.

8743849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8743843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1479 + ... + 4435.

Almost surely, 2^8743849 is an apocalyptic number.

8743849 is the 2957-th square number.

8743849 is the 1479-th centered octagonal number.

It is an amenable number.

8743849 is a deficient number, since it is larger than the sum of its proper divisors (2958).

8743849 is an frugal number, since it uses more digits than its factorization.

8743849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914 (or 2957 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The cubic root of 8743849 is about 206.0159679079.

The spelling of 8743849 in words is "eight million, seven hundred forty-three thousand, eight hundred forty-nine".