1349649 has 32 divisors (see below), whose sum is σ = 2359040. Its totient is φ = 746496.

The previous prime is 1349533. The next prime is 1349651. The reversal of 1349649 is 9469431.

1349649 is a `hidden beast` number, since 1 + 3 + 4 + 9 + 649 = 666.

It is not a de Polignac number, because 1349649 - 2⁸ = 1349393 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1349669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6897 + ... + 7089.

It is an arithmetic number, because the mean of its divisors is an integer number (73720).

2^1349649 is an apocalyptic number.

It is an amenable number.

1349649 is a deficient number, since it is larger than the sum of its proper divisors (1009391).

1349649 is a wasteful number, since it uses less digits than its factorization.

1349649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1349649 is about 1161.7439476924. The cubic root of 1349649 is about 110.5113656471.

The spelling of 1349649 in words is "one million, three hundred forty-nine thousand, six hundred forty-nine".