3623671 has 2 divisors, whose sum is σ = 3623672. Its totient is φ = 3623670.

The previous prime is 3623657. The next prime is 3623681. The reversal of 3623671 is 1763263.

It is a strong prime.

It is an emirp because it is prime and its reverse (1763263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3623671 - 2⁵ = 3623639 is a prime.

It is an Ulam number.

3623671 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3623681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811835 + 1811836.

It is an arithmetic number, because the mean of its divisors is an integer number (1811836).

Almost surely, 2^3623671 is an apocalyptic number.

3623671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3623671 is an equidigital number, since it uses as much as digits as its factorization.

3623671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 3623671 is about 1903.5942319728. The cubic root of 3623671 is about 153.5970660744.

The spelling of 3623671 in words is "three million, six hundred twenty-three thousand, six hundred seventy-one".