3669349 has 4 divisors (see below), whose sum is σ = 3738636. Its totient is φ = 3600064.

The previous prime is 3669343. The next prime is 3669353. The reversal of 3669349 is 9439663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9439663 = 71 ⋅132953.

It can be written as a sum of positive squares in 2 ways, for example, as 3330625 + 338724 = 1825^2 + 582^2 .

It is a cyclic number.

It is not a de Polignac number, because 3669349 - 2⁷ = 3669221 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 (3669343) 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, 34564 + ... + 34669.

It is an arithmetic number, because the mean of its divisors is an integer number (934659).

Almost surely, 2^3669349 is an apocalyptic number.

It is an amenable number.

3669349 is a deficient number, since it is larger than the sum of its proper divisors (69287).

3669349 is an equidigital number, since it uses as much as digits as its factorization.

3669349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69286.

The product of its digits is 104976, while the sum is 40.

The square root of 3669349 is about 1915.5544889144. The cubic root of 3669349 is about 154.2397597721.

The spelling of 3669349 in words is "three million, six hundred sixty-nine thousand, three hundred forty-nine".