3654671 has 2 divisors, whose sum is σ = 3654672. Its totient is φ = 3654670.

The previous prime is 3654647. The next prime is 3654689. The reversal of 3654671 is 1764563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3654671 - 2¹⁰ = 3653647 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827335 + 1827336.

It is an arithmetic number, because the mean of its divisors is an integer number (1827336).

Almost surely, 2^3654671 is an apocalyptic number.

3654671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654671 is an equidigital number, since it uses as much as digits as its factorization.

3654671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 3654671 is about 1911.7193831732. The cubic root of 3654671 is about 154.0338234584.

The spelling of 3654671 in words is "three million, six hundred fifty-four thousand, six hundred seventy-one".