8340331 has 4 divisors (see below), whose sum is σ = 8364312. Its totient is φ = 8316352.

The previous prime is 8340317. The next prime is 8340337. The reversal of 8340331 is 1330438.

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 8340331 - 2⁹ = 8339819 is a prime.

It is a super-2 number, since 2×8340331² = 139122242379122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8340337) 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, 11461 + ... + 12166.

It is an arithmetic number, because the mean of its divisors is an integer number (2091078).

Almost surely, 2^8340331 is an apocalyptic number.

8340331 is a deficient number, since it is larger than the sum of its proper divisors (23981).

8340331 is a wasteful number, since it uses less digits than its factorization.

8340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23980.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 8340331 is about 2887.9631230333. The cubic root of 8340331 is about 202.7967989385.

Adding to 8340331 its reverse (1330438), we get a palindrome (9670769).

The spelling of 8340331 in words is "eight million, three hundred forty thousand, three hundred thirty-one".