3516449 has 4 divisors (see below), whose sum is σ = 3548820. Its totient is φ = 3484080.

The previous prime is 3516437. The next prime is 3516509. The reversal of 3516449 is 9446153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9446153 = 149 ⋅63397.

It can be written as a sum of positive squares in 2 ways, for example, as 1281424 + 2235025 = 1132^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3516449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3516049) 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, 16022 + ... + 16239.

It is an arithmetic number, because the mean of its divisors is an integer number (887205).

Almost surely, 2^3516449 is an apocalyptic number.

It is an amenable number.

3516449 is a deficient number, since it is larger than the sum of its proper divisors (32371).

3516449 is a wasteful number, since it uses less digits than its factorization.

3516449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32370.

The product of its digits is 12960, while the sum is 32.

The square root of 3516449 is about 1875.2197204594. The cubic root of 3516449 is about 152.0669286282.

The spelling of 3516449 in words is "three million, five hundred sixteen thousand, four hundred forty-nine".