3649298 has 4 divisors (see below), whose sum is σ = 5473950. Its totient is φ = 1824648.

The previous prime is 3649297. The next prime is 3649301. The reversal of 3649298 is 8929463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3621409 + 27889 = 1903^2 + 167^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3649297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912323 + ... + 912326.

Almost surely, 2^3649298 is an apocalyptic number.

3649298 is a deficient number, since it is larger than the sum of its proper divisors (1824652).

3649298 is a wasteful number, since it uses less digits than its factorization.

3649298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824651.

The product of its digits is 93312, while the sum is 41.

The square root of 3649298 is about 1910.3135868229. The cubic root of 3649298 is about 153.9583009606.

The spelling of 3649298 in words is "three million, six hundred forty-nine thousand, two hundred ninety-eight".