8340263 has 4 divisors (see below), whose sum is σ = 8348448. Its totient is φ = 8332080.

The previous prime is 8340257. The next prime is 8340301. The reversal of 8340263 is 3620438.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3620438 = 2 ⋅1810219.

It is a cyclic number.

It is not a de Polignac number, because 8340263 - 2⁴ = 8340247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340223) 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, 2303 + ... + 4688.

It is an arithmetic number, because the mean of its divisors is an integer number (2087112).

Almost surely, 2^8340263 is an apocalyptic number.

8340263 is a deficient number, since it is larger than the sum of its proper divisors (8185).

8340263 is a wasteful number, since it uses less digits than its factorization.

8340263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 8340263 is about 2887.9513500057. The cubic root of 8340263 is about 202.7962477925.

The spelling of 8340263 in words is "eight million, three hundred forty thousand, two hundred sixty-three".