3643298 has 4 divisors (see below), whose sum is σ = 5464950. Its totient is φ = 1821648.

The previous prime is 3643291. The next prime is 3643303. The reversal of 3643298 is 8923463.

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., 3485689 + 157609 = 1867^2 + 397^2 .

It is not an unprimeable number, because it can be changed into a prime (3643291) 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, 910823 + ... + 910826.

Almost surely, 2^3643298 is an apocalyptic number.

3643298 is a deficient number, since it is larger than the sum of its proper divisors (1821652).

3643298 is a wasteful number, since it uses less digits than its factorization.

3643298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821651.

The product of its digits is 31104, while the sum is 35.

The square root of 3643298 is about 1908.7425179945. The cubic root of 3643298 is about 153.8738777345.

It can be divided in two parts, 36 and 43298, that added together give a palindrome (43334).

The spelling of 3643298 in words is "three million, six hundred forty-three thousand, two hundred ninety-eight".