8340349 has 2 divisors, whose sum is σ = 8340350. Its totient is φ = 8340348.

The previous prime is 8340341. The next prime is 8340401. The reversal of 8340349 is 9430438.

8340349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 1397124 = 2635^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 8340349 - 2³ = 8340341 is a prime.

It is a super-2 number, since 2×8340349² = 139122842883602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8340349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8340341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170174 + 4170175.

It is an arithmetic number, because the mean of its divisors is an integer number (4170175).

Almost surely, 2^8340349 is an apocalyptic number.

It is an amenable number.

8340349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8340349 is an equidigital number, since it uses as much as digits as its factorization.

8340349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 8340349 is about 2887.9662394149. The cubic root of 8340349 is about 202.7969448296.

The spelling of 8340349 in words is "eight million, three hundred forty thousand, three hundred forty-nine".