3649349 has 12 divisors (see below), whose sum is σ = 4206240. Its totient is φ = 3139560.

The previous prime is 3649337. The next prime is 3649357. The reversal of 3649349 is 9439463.

It is not a de Polignac number, because 3649349 - 2¹² = 3645253 is a prime.

It is a super-3 number, since 3×3649349³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3512 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (350520).

Almost surely, 2^3649349 is an apocalyptic number.

It is an amenable number.

3649349 is a deficient number, since it is larger than the sum of its proper divisors (556891).

3649349 is a wasteful number, since it uses less digits than its factorization.

3649349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 949 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 3649349 is about 1910.3269353700. The cubic root of 3649349 is about 153.9590181612.

The spelling of 3649349 in words is "three million, six hundred forty-nine thousand, three hundred forty-nine".