8402263 has 4 divisors (see below), whose sum is σ = 8411920. Its totient is φ = 8392608.

The previous prime is 8402221. The next prime is 8402279. The reversal of 8402263 is 3622048.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8402263 - 2²¹ = 6305111 is a prime.

It is a Duffinian number.

8402263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8402363) 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, 3378 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (2102980).

Almost surely, 2^8402263 is an apocalyptic number.

8402263 is a deficient number, since it is larger than the sum of its proper divisors (9657).

8402263 is an equidigital number, since it uses as much as digits as its factorization.

8402263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8402263 is about 2898.6657275374. The cubic root of 8402263 is about 203.2975245251.

The spelling of 8402263 in words is "eight million, four hundred two thousand, two hundred sixty-three".