3647233 has 2 divisors, whose sum is σ = 3647234. Its totient is φ = 3647232.

The previous prime is 3647207. The next prime is 3647257. The reversal of 3647233 is 3327463.

3647233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3301489 + 345744 = 1817^2 + 588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3647233 is a prime.

3647233 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3647263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823616 + 1823617.

It is an arithmetic number, because the mean of its divisors is an integer number (1823617).

Almost surely, 2^3647233 is an apocalyptic number.

It is an amenable number.

3647233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3647233 is an equidigital number, since it uses as much as digits as its factorization.

3647233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 28.

The square root of 3647233 is about 1909.7730231627. The cubic root of 3647233 is about 153.9292557508.

It can be divided in two parts, 36472 and 33, that multiplied together give a triangular number (1203576 = T₁₅₅₁).

The spelling of 3647233 in words is "three million, six hundred forty-seven thousand, two hundred thirty-three".