3647023 has 2 divisors, whose sum is σ = 3647024. Its totient is φ = 3647022.

The previous prime is 3647003. The next prime is 3647029. The reversal of 3647023 is 3207463.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3647023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3647029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823511 + 1823512.

It is an arithmetic number, because the mean of its divisors is an integer number (1823512).

Almost surely, 2^3647023 is an apocalyptic number.

3647023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3647023 is an equidigital number, since it uses as much as digits as its factorization.

3647023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 3647023 is about 1909.7180420156. The cubic root of 3647023 is about 153.9263013866.

The spelling of 3647023 in words is "three million, six hundred forty-seven thousand, twenty-three".