8263849 has 4 divisors (see below), whose sum is σ = 9015120. Its totient is φ = 7512580.

The previous prime is 8263823. The next prime is 8263859. The reversal of 8263849 is 9483628.

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 8263849 - 2¹³ = 8255657 is a prime.

It is a Duffinian number.

8263849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8263859) 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, 375619 + ... + 375640.

It is an arithmetic number, because the mean of its divisors is an integer number (2253780).

Almost surely, 2^8263849 is an apocalyptic number.

It is an amenable number.

8263849 is a deficient number, since it is larger than the sum of its proper divisors (751271).

8263849 is a wasteful number, since it uses less digits than its factorization.

8263849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751270.

The product of its digits is 82944, while the sum is 40.

The square root of 8263849 is about 2874.6911138416. The cubic root of 8263849 is about 202.1750027392.

The spelling of 8263849 in words is "eight million, two hundred sixty-three thousand, eight hundred forty-nine".