3549673 has 2 divisors, whose sum is σ = 3549674. Its totient is φ = 3549672.

The previous prime is 3549649. The next prime is 3549677. The reversal of 3549673 is 3769453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2442969 + 1106704 = 1563^2 + 1052^2 .

It is an emirp because it is prime and its reverse (3769453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3549673 - 2⁵ = 3549641 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 5⁹ + 4² + 9 + 6 + 7 + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (3549677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774836 + 1774837.

It is an arithmetic number, because the mean of its divisors is an integer number (1774837).

Almost surely, 2^3549673 is an apocalyptic number.

It is an amenable number.

3549673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549673 is an equidigital number, since it uses as much as digits as its factorization.

3549673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 3549673 is about 1884.0575893534. The cubic root of 3549673 is about 152.5443461464.

It can be divided in two parts, 3 and 549673, that added together give a triangular number (549676 = T₁₀₄₈).

The spelling of 3549673 in words is "three million, five hundred forty-nine thousand, six hundred seventy-three".