7409349 has 6 divisors (see below), whose sum is σ = 10702406. Its totient is φ = 4939560.

The previous prime is 7409333. The next prime is 7409351. The reversal of 7409349 is 9439047.

It can be written as a sum of positive squares in only one way, i.e., 7193124 + 216225 = 2682^2 + 465^2 .

It is not a de Polignac number, because 7409349 - 2⁴ = 7409333 is a prime.

It is a Duffinian number.

7409349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7409309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411622 + ... + 411639.

Almost surely, 2^7409349 is an apocalyptic number.

It is an amenable number.

7409349 is a deficient number, since it is larger than the sum of its proper divisors (3293057).

7409349 is a wasteful number, since it uses less digits than its factorization.

7409349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823267 (or 823264 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7409349 is about 2722.0119397240. The cubic root of 7409349 is about 194.9515461465.

The spelling of 7409349 in words is "seven million, four hundred nine thousand, three hundred forty-nine".